Navy Cool-jams NightCool V-Neck Nightshirt for women, when you run hot at night
Black Cool-jams NightCool V-Neck Nightshirt for women, for anyone who overheats at night
Merlot Cool-jams NightCool V-Neck Nightshirt for women, built for the sweatiest sleepers
Cool-jams sleepwear size chart: how to measure neck, chest, sleeve, waist, hips and body length, with sizes S to 3X
Cool-jams sleepwear size chart: how to measure neck, chest, sleeve, waist, hips and body length, with sizes S to 3X

Women's NightCool V-Neck Nightshirt

4.6
Rated 4.6 out of 5 stars
238 Reviews
Regular price$80
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  • Low stock - 1 item left
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Free U.S. shipping on all orders $120+

Wake up cool and dry. The Cool-jams Women's NightCool V-Neck Nightshirt is a cooling nightshirt built for hot sleepers and for nights when you run warm. This moisture-wicking nightshirt is made from our proprietary Kottinu fabric, which pulls perspiration off your skin and dries in minutes, so you stay comfortable all night.

Part of the Cool-jams NightCool collection of cooling sleepwear for women.

More about the V-Neck Nightshirt

The Cool-jams NightCool V-Neck Nightshirt is a knee-skimming cooling nightshirt with an open V neckline that leaves the throat and upper chest uncovered, which is what many women want on hot flash nights. The body is cut from temperature-regulating Kottinu fabric that wicks sweat off the skin and dries in minutes, and an odor-control finish helps the fabric stay fresher between washes. It is relaxed through the body with short sleeves, so nothing pulls when you turn over. In Black, Navy and Merlot, in sizes S to 3X.

Is a V-neck better for hot flashes?

An open V neckline leaves more of the throat and chest uncovered than a high or closed neck, which is why many women who sleep hot choose this style.

Is this a nightshirt or a sleep shirt?

Both names describe the same garment: a knee-length shirt worn on its own to sleep in. You will see it listed as a women's sleep shirt and as a nightshirt.

How does the fabric handle sweat?

Kottinu is a performance sleep knit. It pulls perspiration off the skin as it forms and dries in minutes, instead of holding it against you the way cotton does.

Why you'll love it

  • Short-sleeve, knee-length nightshirt for complete, breathable coverage
  • Flattering V-neckline with a relaxed, non-cling silhouette that promotes natural airflow
  • 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
  • Bact-Out finish helps the fabric stay fresher between washes
  • Machine washes easily and dries quickly

What is Kottinu?

Kottinu, a technical synthetic (engineered polyester microfiber) made for firefighter base layers and medical scrubs, now crafted for hot sleepers and night sweats needing moisture-wicking and cooling pajamas. Soft and smooth with a cotton-like feel, it pulls sweat off your skin, dries in minutes, carrying body heat away with it.

A Bact-Out finish helps the fabric resist odor, so it stays fresher between washes. Kottinu resists pilling, holds its shape, and machine washes easily.

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

Where it is made

Every NightCool piece is made in Thailand by the same factory partner Cool-jams has trusted since day one.

  • Shipping. Free on Continental U.S. orders over $120. Ships in about a business day, arrives in 3 to 7. We ship across the U.S. and Canada.
  • Returns. 30 days from delivery. Start at our Returns Center with your order number and print a prepaid label. Gifts without an order number, orders from outside the U.S., and anything faulty: email [email protected].
  • Exchanges. Free within the same 30 days, no admin fee.
  • Refunds. Full-price store credit with no fee, or your original payment method less a $9.95 admin fee.
  • 30-Night Cool Sleep Trial. Sleep in NightCool. Wash it. Not right? Send it back within 30 nights for store credit or a refund.
  • DayBasics is Final Sale. No returns or exchanges as we retire the collection. Faults are always covered.
  • Read the full returns and exchanges policy.

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Customer Reviews

4.6
Rated 4.6 out of 5 stars
Based on 238 reviews
89%would recommend these products
238 reviews
  • KF
    Kristine F.
    Flag of United States
    Verified Buyer
    Reviewing
    Women's DayBasics V-Neck Nightshirt
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Staying Cool in Cool-jams

    Wearing my Cool-jams has helped tremendously with night sweats. Although my sheets Andy pillow case get wet, my body stays dry! Really!

  • CA
    CHRISTINE A. D.
    Flag of United States
    Verified Buyer
    Reviewing
    Women's DayBasics V-Neck Nightshirt
    I do not recommend this product
    Rated 1 out of 5 stars
    3 months ago
    Still waiting …

    I had an approved return / exchange and still yet to receive my new product

  • BR
    Barbara R.
    Flag of United States
    Verified Buyer
    Reviewing
    Women's DayBasics V-Neck Nightshirt
    Rated 3 out of 5 stars
    3 months ago
    Women's Basic V-Neck Nightshirt

    I just received the nightshirt and it's shorter than the last one I had and the material feels a little different. I still like it but the first one I had was better.

  • EG
    Elizabeth G.
    Flag of United States
    Verified Buyer
    Reviewing
    Women's NightCool V-Neck Nightshirt
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Just like the originals!

    The new classic version is just l8e the ones I ordered in 2022. Same fits me same material. Love them again!

  • JM
    Joan M.
    Flag of United States
    Verified Buyer
    Reviewing
    Women's DayBasics V-Neck Nightshirt
    I recommend this product
    Rated 5 out of 5 stars
    4 months ago
    Cool Jams night gown

    Love Cool Jams. Cool, light weight, very comfortable. I will buy more