Black Cool-jams NightCool Boxer Shorts for men, dries in minutes
Black Cool-jams NightCool Boxer Shorts for men, side view, cooling sleepwear for men
Black Cool-jams NightCool Boxer Shorts for men, back view, for men who run hot at night
Navy Cool-jams NightCool Boxer Shorts for men, temperature-regulating sleep fabric
Navy Cool-jams NightCool Boxer Shorts for men, lifestyle view, dries in minutes
Black Cool-jams NightCool Boxer Shorts for men, cooling sleepwear for men
Black Cool-jams NightCool Boxer Shorts for men, lifestyle view, for men who run hot at night
Navy Cool-jams NightCool Boxer Shorts for men, lifestyle view, temperature-regulating sleep fabric
Black Cool-jams NightCool Boxer Shorts for men, lifestyle view, dries in minutes
Cool-jams men&
Cool-jams NightCool Boxer Shorts for men, cooling sleepwear for men

Men's NightCool Boxer Shorts

4.8
Rated 4.8 out of 5 stars
75 Reviews
Regular price$70
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Color
Size
  • In stock, ready to ship
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Free U.S. shipping on all orders $120+

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 in minutes, 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 in minutes, 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.

Why you'll love it

  • Relaxed, non-cling fit for natural airflow
  • Kottinu moisture-wicking fabric that wicks perspiration and dries quickly, engineered for hot sleepers and night sweats
  • Soft, cotton-like feel that resists pilling and holds its shape
  • Bact-Out finish helps the fabric stay fresher between washes
  • Mix-and-match with any NightCool top

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

4.8
Rated 4.8 out of 5 stars
Based on 75 reviews
97%would recommend these products
75 reviews
  • JW
    Janet W.
    Flag of United States
    Verified Buyer
    Reviewing
    Men's Moisture Wicking Boxer Separate
    I recommend this product
    Rated 5 out of 5 stars
    2 years ago
    Cool-jams men’s sleep shorts

    I bought these Cool-jams men’s black sleep shorts for my son-in-law for Christmas this year. He absolutely loves them! He likes how soft and comfortable they are. They don’t ride up and are a nice thin material that keeps him cool when sleeping. Being light-weight they pack easily and don’t take up much room in his bag when he travels. It was the best personal gift I could buy for him. Thank you Cool-jams for making such a wonderful product! I would know because I love my Cool-jams nightgown and matching robe that I bought a few years ago and highly recommend, too!

  • MK
    Mary K.
    Flag of United States
    Verified Buyer
    Reviewing
    Men's Moisture Wicking Boxer Pajama Set
    I recommend this product
    Rated 4 out of 5 stars
    2 years ago
    Colors didn’t match.

    Ordered the cool jams men boxer set. Ordered as set, boxer & shirt were in separate packaging and the navy colors were not the same shade of navy.. Also ordered the gray color for my son and the gray colors match.

  • CB
    Craig B.
    Flag of United States
    Verified Buyer
    Reviewing
    Men's Moisture Wicking Boxer Pajama Set
    I recommend this product
    Rated 5 out of 5 stars
    2 years ago
    PJ pair

    Comfortable and keeps me cool

  • CM
    Cheryl M.
    Flag of United States
    Verified Buyer
    Reviewing
    Men's Moisture Wicking Boxer Pajama Set
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    A good night’s sleep

    It worked immediately for my husband. He did have two nights that his pajama top felt slightly damp. This has not reoccurred.

  • DN
    David n.
    Flag of United States
    Verified Buyer
    Reviewing
    Men's Moisture Wicking Boxer Pajama Set
    I recommend this product
    Rated 5 out of 5 stars
    3 years ago
    Soft, comfortable ,breathable

    This is the second set that I have purchased and I love them both. They are very comfortable and are easy to care for. I could lounge in them all day but..... when I need to go out it is better to change into something else ;-)