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Ends Thursday 17 September
Cooler Weather? You’re ReadyCooler evenings. Slower mornings. Nightwear you’ll look forward to slipping into.
40% OFF
Tulip & pants
20% OFF
Long sleeves
Prices as marked, no code needed.
NightCool
Long sleeves, 20% off
Both long sleeve styles. The nightshirt comes in three vine colors.
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NightCool
40% off
Tulip Shorts and Tulip Tank are final sale. Wide Leg Pants are not.
Why NightCool
Night sweats?
Night sweats?
Ultra-fine microfibers pull sweat off your skin, spread it across the surface of the fabric, and let it evaporate, and as moisture evaporates it carries body heat with it.
NightCool fabric
NightCool fabric
Kottinu moisture-wicking fabric that wicks perspiration and dries quickly, engineered for night sweats and hot flashes. Soft, cotton-like feel that resists pilling and holds its shape.
Fresh between washes
Fresh between washes
Bact-Out finish helps the fabric stay fresher between washes. Tumble dry low or hang to dry, Kottinu dries fast.
Sleep in it first
Sleep in it first
How the trial works
Sleep in your NightCool items, wash them, and if they are still not right, start a return within 30 days of delivery. Worn and washed is fine.
Build a NightCool set
Pick a top and a bottom. We started you on the black long sleeve and the wide leg pants.
1 · Your top
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2 · Your bottom
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1 · Your top
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2 · Your bottom
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About your picks
What is Kottinu?
Cool-jams NightCool is made from Kottinu, our proprietary performance polyester microfiber. Like our everyday DayBasics microfabric, it is soft, lightweight, and breathable with a cotton-like feel. The difference is what happens when you sweat: Kottinu is engineered as a performance sleep fabric for people who sleep hot.
How Kottinu wicks sweat away (MST)
Kottinu uses our Moisture Transference System (MST), a three-step process built into the fabric. Ultra-fine microfibers pull sweat off your skin as it forms, spread it across the surface of the fabric, and let it evaporate quickly. As moisture evaporates it carries body heat with it, helping you stay dry and comfortable.
Odor control that is built in
NightCool fabric is finished with Bact-Out, a treatment that helps the fabric itself resist odor so your sleepwear stays fresher between washes.
Soft, durable, easy to care for
Kottinu keeps the soft, cotton-like feel you want from sleepwear without holding onto moisture the way cotton does. It resists pilling, holds its shape, machine washes easily, and dries quickly.
How to care for Kottinu
- Machine wash cold or warm with like colors, gentle cycle
- Skip fabric softener and dryer sheets, they coat the microfibers and can reduce wicking
- Tumble dry low or hang to dry, Kottinu dries fast
- No bleach
- Holds its shape and resists pilling wash after wash
Every NightCool piece is made by our original manufacturer, who we have trusted from day one to make the technical fabric that keeps you dry and cool.
Wake up cool and dry. The Cool-jams Women's NightCool Scoop T-Shirt is a cooling sleep shirt built for hot sleepers and for nights when you run warm. This moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Scoop T-Shirt
The Cool-jams NightCool Scoop T-Shirt is a short sleeve cooling sleep tee for women who sleep hot. The scoop neckline leaves the throat open and the Kottinu knit wicks perspiration off the skin and dries fast, with an odor-control finish that helps the fabric stay fresher between washes. It is cut relaxed through the body so it does not cling, and it is finished like a normal tee, which is why customers wear it for travel as well as sleep. Five colors, in sizes S to 3X.
Can I wear this as a regular t-shirt?
Yes. It is cut and finished like a normal tee, so plenty of customers wear it for travel and everyday wear as well as sleep.
What bottoms go with it?
Any NightCool bottom: pants, capris, joggers or shorts. The range is sold as separates so you can size each piece.
What is Kottinu fabric?
Kottinu is our proprietary performance sleep fabric, used across the NightCool line. It wicks moisture off the skin as it forms and dries fast.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Pleated T-Shirt is a cooling sleep shirt built for hot sleepers and for nights when you run warm. This moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Pleated T-Shirt
The Cool-jams NightCool Pleated T-Shirt is a short sleeve cooling pajama top made for night sweats and hot flashes, with a soft pleat at the front that gives the fabric somewhere to fall so it skims the stomach rather than sitting against it. The Kottinu knit wicks sweat off the skin and dries fast, and an odor-control finish helps the fabric stay fresher between washes. The shoulder and sleeve sit close while the body falls away from the pleat. Five colors, in sizes S to 3X.
What does the pleat do?
It releases fabric across the front so the top drapes away from the body. People who dislike a close-fitting tee usually prefer this cut.
Is this top loose or fitted?
Relaxed. The shoulder and sleeve sit close, and the body falls away from the pleat.
Is it good for night sweats?
Yes, it is cut from the same Kottinu fabric as the whole NightCool line, which wicks moisture and dries fast.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool V-Neck Top is a cooling sleep top built for hot sleepers and for nights when you run warm. This moisture-wicking sleep top is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the V-Neck Top
The Cool-jams NightCool V-Neck Top is a short sleeve cooling pajama top built around an open V neckline that leaves the throat and upper chest uncovered, which is what many women want on hot flash nights. The Kottinu knit wicks perspiration as it forms and dries fast, and an odor-control finish helps the fabric stay fresher between washes. The body is cut relaxed so it keeps fabric off the skin. Designed to mix with any NightCool bottom, in Black, Navy and Merlot, in sizes S to 3X.
Is a V-neck cooler than a crew neck?
It leaves more of the throat and upper chest uncovered, which is where many women notice a hot flash start, so most people find it feels cooler.
What bottoms go with this top?
Any NightCool bottom: pants, capris, joggers or shorts. The range is sold as separates so you can size each piece.
What colors does it come in?
Black, Navy and Merlot, in sizes S through 3X.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Scoop Neck T-Shirt with 3/4 Sleeves is a cooling sleep shirt built for hot sleepers and for nights when you run warm. This moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin as it forms and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Scoop Neck T-Shirt - 3/4 Sleeves
The Cool-jams NightCool Scoop Neck T-Shirt with 3/4 Sleeves is made for warm sleepers and warm nights that do not stay one temperature. The three-quarter sleeve covers the upper arm and stops clear of the wrist, so you are not pushing fabric up all night, and the scoop neck keeps the chest open. Kottinu fabric wicks sweat and dries fast, and an odor-control finish helps the fabric stay fresher between washes. Designed to mix with any NightCool bottom, in Black, Navy and Merlot, in sizes S to 3X.
What is a 3/4 sleeve?
It ends between the elbow and the wrist, covering the upper arm while leaving the forearm free.
Is this warmer than the short sleeve version?
Slightly, because of the extra sleeve, but the fabric is identical and still wicks and dries fast.
Does it match the NightCool bottoms?
Yes, the solid colors are shared across the NightCool range so tops and bottoms can be mixed.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Long Sleeve T-Shirt is a cooling sleep shirt built for hot sleepers and for nights when you run warm. This moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Long Sleeve T-Shirt
The Cool-jams NightCool Long Sleeve T-Shirt covers the arms without the heat that usually follows, which is the whole point when you run hot at night but the room is cold. The Kottinu knit is temperature-regulating: it wicks sweat off the skin, dries fast and keeps air moving through the sleeve. An odor-control finish helps the fabric stay fresher between washes. It is a lightweight knit cut relaxed through the body, so it layers under a robe or over a tank without bulk. In Black, Navy and Merlot, in sizes S to 3X.
Why wear long sleeves if I sleep hot?
Rooms and bodies do not always agree. A long sleeve in a fast-drying knit gives you coverage when the room is cold and keeps working if you warm up during the night.
Is this a top or a nightshirt?
It is a t-shirt style top, cut to be worn with a separate bottom. If you want a one-piece knee-length shirt, see the NightCool nightshirts.
Is it thin enough to layer?
Yes. It is a lightweight knit that layers under a robe or over a tank without bulk.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Tulip Tank Top is a cooling tank top built for hot sleepers and for nights when you run warm. This moisture-wicking tank top is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Tulip Tank Top
The Cool-jams NightCool Tulip Tank Top is a cooling tank top for women who sleep hot, finished with an overlapping tulip hem that falls softly over the hip rather than cutting straight across it. It is sleeveless with a scoop neckline, so there is very little fabric holding heat, and the Kottinu knit wicks sweat and dries fast. An odor-control finish helps the fabric stay fresher between washes. Wear it to sleep or to lounge, in Violet, Navy and Island, in sizes S to 3X.
Is a tank top enough on a hot night?
For most hot sleepers it is the coolest top we make, because it leaves the arms and shoulders bare and uses the least fabric.
Does the hem cover the waistband?
The tulip hem falls over the top of the hip and covers the waistband of matching NightCool bottoms.
Can I wear it out of the house?
Yes, the tulip hem and scoop neck read as a regular tank, so it works for lounging as well as sleep.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Capri Pants are cooling pajama pants built for hot sleepers and for nights when you run warm. These moisture-wicking pajama pants are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Capri Pajama Pants
The Cool-jams NightCool Capri Pants are cropped cooling pajama pants made for night sweats and hot flashes. The mid-calf length leaves the lower leg free, which is where a lot of heat escapes, while still covering more than shorts. You choose the waist when you order, elastic or drawstring, so the fit suits you rather than the pattern. The moisture wicking Kottinu fabric pulls sweat off the skin and dries fast, and an odor-control finish helps the fabric stay fresher between washes. Five colors, in sizes S to 3X.
Can I choose the waistband?
Yes. This style is sold with a choice of elastic or drawstring waist, selected when you order.
Why capris instead of full-length pajama pants?
Leaving the lower leg uncovered vents heat, so capris suit people who want more than shorts but find full-length pants too warm.
Can I mix these with other Cool-jams tops?
Yes. The NightCool bottoms and tops are sold separately and made to be mixed, so you can size each piece independently.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Pants are cooling pajama pants built for hot sleepers and for nights when you run warm. These moisture-wicking pajama pants are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Pajama Pants
The Cool-jams NightCool Pants are full-length cooling pajama pants for hot sleepers who still want their legs covered. The Kottinu knit wicks sweat off the skin and dries fast, so full-length coverage does not turn into overheating, and an odor-control finish helps the fabric stay fresher between washes. You choose the waist when you order, elastic or drawstring. They are cut straight through the leg with enough room to move, and they pair with any NightCool top since the range is sold as separates. Five colors, in sizes S to 3X.
Can I choose the waistband?
Yes. This style is sold with a choice of elastic or drawstring waist, selected when you order.
Are full-length pajama pants too hot for night sweats?
Not when the fabric moves moisture. Kottinu is a performance sleep knit that wicks and dries fast, so these stay comfortable where cotton pants would stay damp.
What tops go with them?
Any NightCool top. The range is sold as separates, so you can size the top and the bottom differently.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Shorts are cooling sleep shorts built for hot sleepers and for nights when you run warm. These moisture-wicking sleep shorts are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Pajama Shorts
The Cool-jams NightCool Shorts are cooling pajama shorts made for night sweats, and one of the lightest bottoms in the NightCool range, which makes them a usual choice for the warmest nights. You choose the waist when you order, elastic or drawstring. The Kottinu knit wicks sweat off the skin and dries fast, and an odor-control finish helps the fabric stay fresher between washes. Pair them with a NightCool tank or tee for the lightest full set. In Black, Navy and Merlot, in sizes S to 3X.
Can I choose the waistband?
Yes. This style is sold with a choice of elastic or drawstring waist, selected when you order.
Are shorts the coolest option for night sweats?
They put very little fabric on your legs. Pair them with a NightCool tank for one of the lightest full sets we make.
What tops match them?
Any NightCool top. The range is sold as separates so tops and bottoms can be sized independently.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Elastic Waist Tulip Shorts are cooling sleep shorts built for hot sleepers and for nights when you run warm. These moisture-wicking sleep shorts are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Elastic Waist Tulip Shorts
The Cool-jams NightCool Elastic Waist Tulip Shorts use an overlapping tulip hem, where the panels cross at the outer thigh so the leg opening is wider and moves more freely than a closed straight hem. They are a good pick for anyone who overheats at night and finds a straight-cut sleep short restrictive. The waist is elastic, and the Kottinu knit wicks sweat and dries fast, with an odor-control finish that helps the fabric stay fresher between washes. In Violet, Navy and Island, in sizes S to 3X.
What is a tulip hem?
The hem overlaps at the outer thigh like the petals of a tulip, so the leg opening is wider and moves more freely than a closed straight hem.
What top goes with these?
The NightCool Tulip Tank Top is the matching piece, and any NightCool top works since the range is designed to mix.
What sizes do they come in?
Sizes S through 3X, in Violet, Navy and Island.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Elastic Waist Cuff Jogger Pants are cooling pajama pants built for hot sleepers and for nights when you run warm. These moisture-wicking pajama pants are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Elastic Waist Cuff Jogger Pants
The Cool-jams NightCool Elastic Waist Cuff Jogger Pants take the jogger shape into sleepwear: a covered elastic waist, a relaxed leg and a cuffed ankle so the hem stays where you put it. That cuff is what people like when they run hot at night, because the leg can be pushed up and stays up. The Kottinu knit wicks sweat and dries fast, and an odor-control finish helps the fabric stay fresher between washes. Five colors, in sizes S to 3X.
Are cuffed joggers hotter than straight pajama pants?
Not usually, and many people find them cooler in practice because you can push the cuff up your calf and it stays there instead of falling back down.
Is the cuff tight on the ankle?
It is a soft cuff with give. It holds the hem without gripping.
Can I wear these as loungewear?
Yes, the jogger shape is the most street-ready cut in the NightCool range and works for lounging at home.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Women's NightCool Drawstring Waist Wide Leg Pants are cooling pajama pants built for hot sleepers and for nights when you run warm. These moisture-wicking pajama pants are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for women.
More about the Drawstring Waist Wide Leg Pants
The Cool-jams NightCool Drawstring Waist Wide Leg Pants are cut generously through the leg, which is the point: a wide leg moves air with you instead of sitting against the skin, so they suit women who sleep hot. The drawstring waist lets you set the fit exactly. The Kottinu knit wicks sweat and dries fast, and an odor-control finish helps the fabric stay fresher between washes. This style comes in combined sizes, S-M, L-XL and 2X-3X, in Violet and Black.
How do the combined sizes work?
This style comes in S-M, L-XL and 2X-3X rather than single sizes. The drawstring waist and the wide leg give the range within each size, so you adjust rather than sizing exactly.
Why a wide leg for sleepwear?
Air moves through a wide leg as you move, which helps if you overheat. It also means nothing grips the calf or thigh when you turn over.
Can I wear these outside the bedroom?
Many customers wear them as lounge pants. The drawstring waist and clean drape read as loungewear rather than obvious pajamas.
NightCool
Hot sleepers, night sweats, hot flashes, menopause
Wake up cool and dry. The Cool-jams Men's NightCool Crew Neck T-Shirt is a men's cooling sleep shirt built for hot sleepers and for nights when you run warm. This men's moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for men.
More about the Crew Neck T-Shirt
The Cool-jams NightCool Crew Neck T-Shirt is a cooling sleep t-shirt for men with night sweats. The Kottinu knit pulls perspiration off the skin as it forms and dries fast, so the shirt does not stay wet against your back, and an odor-control finish helps the fabric stay fresher between washes. It is cut as a standard crew neck tee, relaxed through the body and shoulder, which is why customers wear it for travel and the gym as well as for sleep. In Navy and Black, in sizes M to 2X.
Can I wear this outside bed?
Yes. It is cut like a normal crew neck tee, and the fabric performs the same way in a gym or on a plane as it does in bed.
Is it good for night sweats?
That is what it was built for. Kottinu wicks moisture off the skin and dries fast, which is the property that matters when you sweat in your sleep.
What bottoms match it?
The NightCool Pants and the NightCool Boxer Shorts in the men's range.
NightCool
Hot sleepers, night sweats
Wake up cool and dry. The Cool-jams Men's NightCool Tank Top is a men's cooling sleep shirt built for hot sleepers and for nights when you run warm. This moisture-wicking sleep shirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for men.
More about the Tank Top
The Cool-jams NightCool Tank Top is a sleeveless cooling sleep tank for men who run hot at night. It is the lightest top in the men's NightCool range, leaving the arms and shoulders bare, and the Kottinu knit wicks sweat off the skin and dries fast. An odor-control finish helps the fabric stay fresher between washes. It is cut relaxed through the body with a standard tank armhole, so it is easy to sleep in and easy to layer. In Navy and Black, in sizes M to 2X.
Is a tank the coolest option for men?
It is the lightest top we make for men, because it removes the sleeves entirely. Pair it with NightCool Boxer Shorts for the coolest combination.
Is the armhole cut low?
It is a standard tank armhole, not a dropped or cut-away athletic armhole.
What bottoms match it?
The NightCool Pants and the NightCool Boxer Shorts in the men's range.
NightCool
Hot sleepers, night sweats
Wake up cool and dry. The Cool-jams Men's NightCool Boxer Shorts are men's cooling boxer shorts built for hot sleepers and for nights when you run warm. These moisture-wicking boxer shorts are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for men.
More about the Boxer Shorts
The Cool-jams NightCool Boxer Shorts are cooling sleep boxers for men with night sweats. The Kottinu knit wicks perspiration off the skin as it forms and dries fast, which is the difference between waking up damp and waking up comfortable, and an odor-control finish helps the fabric stay fresher between washes. The waistband is soft and elastic, the leg is cut roomy, and there is no bunching at the thigh when you turn over. In Navy and Black, in sizes M to 2X.
Are these underwear or sleepwear?
They are cut as sleep boxers, designed to be worn on their own in bed. The roomier leg and soft waistband are built for sleeping rather than for wearing under trousers.
Do men get night sweats too?
Yes, and it is common. These are cut from the same Kottinu performance fabric as our women's night sweat range.
What top goes with them?
The NightCool Crew Neck T-Shirt and the NightCool Tank Top are the matching pieces in the men's range.
NightCool
Hot sleepers, night sweats
Wake up cool and dry. The Cool-jams Men's NightCool Pants are men's cooling pajama pants built for hot sleepers and for nights when you run warm. These moisture-wicking pajama pants are made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries fast, so you stay comfortable all night.
Part of the Cool-jams NightCool collection of cooling sleepwear for men.
More about the Pajama Pants
The Cool-jams NightCool Pants are cooling pajama pants for men who run hot at night and still want full-length coverage. The Kottinu knit wicks sweat off the skin and dries fast, so covered legs do not mean an overheated night, and an odor-control finish helps the fabric stay fresher between washes. The waistband is soft and elastic, and the leg is cut straight with room to move. It is designed to be worn with the NightCool Crew Neck T-Shirt or Tank Top, both cut from the same fabric. In Black and Navy, in sizes M to 2X.
Are full-length pants too warm if I sleep hot?
Not in a performance knit. Kottinu moves moisture and keeps air flowing, so the length adds coverage without the heat you get from cotton or flannel.
What is the men's size range?
The men's NightCool range runs M through 2X.
What tops match them?
The NightCool Crew Neck T-Shirt and the NightCool Tank Top in the men's range.
NightCool
Hot sleepers, night sweats
The details. Prices shown are already reduced, no code needed. The Elastic Waist Tulip Shorts and Tulip Tank Top are final sale. Compare-at prices are our own regular selling prices most recently in effect. Ends Thursday, September 17. While stock lasts.
Why people switch
Loved by hot sleepers, covered by the press
Real reviews from people who sleep hot, and fifteen years of coverage in the national press.
