SKU: 40653508566

SportFlex 5.0 - Charge

$44.10 $49.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 1 - Sep 6

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SportFlex 5.0 - ChargeKey Benefits Waterproof, sweatproof, and dirtproof. Soft touch, ultra smooth silicone. Adjustable for a secure fit. Breathable with ventilation details. Fast Link slider for easy swaps. SportFlex is built to handle training, travel, and everything in between. Its smooth, durable silicone resists water, dirt, sweat, and stains, while the adjustable fit and breathable design keep you comfortable through every move. BUILT FOR HIGH PERFORMANCE SportFlex

Key Benefits

  • Waterproof, sweatproof, and dirtproof.
  • Soft-touch, ultra-smooth silicone.
  • Adjustable for a secure fit.
  • Breathable with ventilation details.
  • Fast Link™ slider for easy swaps.


SportFlex is built to handle training, travel, and everything in between. Its smooth, durable silicone resists water, dirt, sweat, and stains, while the adjustable fit and breathable design keep you comfortable through every move.

BUILT FOR HIGH PERFORMANCE – SportFlex is designed with waterproof, sweatproof, and dirtproof silicone. It’s highly durable and designed to withstand your most intense workouts and adventures.

MADE WITH SOFT-TOUCH SILICONE – SportFlex is ultra-smooth, hygienic, and easy to clean. Small scuffs can be wiped off, or you can deep-clean the band with isopropyl alcohol and a lint-free cloth followed by a water rinse.

ADJUSTABLE AND BREATHABLE – SportFlex is made with an adjustable closure system to ensure a snug, secure fit—no matter how intense your workout. The band includes ventilation details, making it extra breathable and comfortable.

100% WATERPROOF – SportFlex is completely waterproof, making it an essential accessory for everything from swimming laps and surfing to high-sweat, high-intensity workouts.

Includes a Band, Hook, Clasp, and a Fast Link™ slider that makes swapping bands easier than ever. Compatible with WHOOP One and WHOOP Peak—membership not included.


Disclaimers:

WHOOP is not a medical device and should not be used to diagnose, cure, mitigate, manage, treat, or prevent any condition or disease. WHOOP should not be used in place of a medical device. WHOOP does not provide medical advice and is not a substitute for advice from your doctor or other medical professionals. If you have any health-related questions, please see your healthcare provider. You should never disregard medical advice or delay in seeking medical advice because of information from WHOOP. All content is for general informational purposes.

Blood Pressure Insights: Blood Pressure Insights is not a medical device and cannot diagnose or manage medical conditions. It does not provide medical advice. Always consult your doctor for health concerns and never delay or modify medical care based on its information.

ECG: This feature is not intended for users with known arrhythmias other than AFib or users under 22 years old. It is not recommended for users with a cardiac pacemaker, ICDs or other implanted electronic devices. This is a medically regulated feature and is not currently available in every region.

Healthspan: This feature is not available for users under the age of 18. This feature is for wellness purposes only and not for medical use.

Waterproof: IP68 water-resistant up to 10 meters for 2 hours. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40653508566

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4.7 ★★★★★
Based on 9 reviews
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Product Reviews
J
Verified Purchase
Joshua Sojka
Lexington, US
★★★★★ 5
Most Comfy Pillow Ever Used
Size: King Size Pack of 2, Color: White
I recently purchased the BETU Cooling King Size Pillows Set of 2, and I have been thoroughly impressed with their quality and performance. These pillows have truly transformed my sleeping experience, making them an essential addition to my bedroom. First and foremost, the shredded memory foam provides fantastic support while remaining incredibly comfortable. These pillows adapt perfectly to my head and neck, offering excellent support for back, neck pain relief, and side sleeping. The adjustability of the memory foam allows me to customize the firmness to my liking, ensuring a perfect balance between soft and firm support. This customization has made a tremendous difference in my sleep quality, reducing any discomfort and ensuring I wake up feeling refreshed and pain-free. One of the standout features of these pillows is their cooling capability. As a hot sleeper, I struggled to find pillows that keep me cool throughout the night. The BETU Cooling Pillows effectively dissipate heat and maintain a comfortable temperature, allowing me to enjoy a restful and uninterrupted sleep. The cooling technology is truly a game-changer for anyone who tends to overheat during the night. The pillow covers are another bonus. They are soft, breathable, and easily removable for washing, ensuring that the pillows remain fresh and hygienic. The white cover adds a clean and elegant look to the bedding, making them aesthetically pleasing as well. The king size is generous and luxurious, providing ample space and comfort. Whether used for sleeping, lounging, or reading in bed, these pillows offer an unparalleled level of comfort and support. In summary, the BETU Cooling King Size Pillows Set of 2 is an exceptional product. The combination of shredded memory foam, adjustable firmness, and cooling technology makes these pillows perfect for hot sleepers and those in need of superior support for back and neck pain. The high-quality covers and overall design further enhance their value. I highly recommend these pillows to anyone looking to improve their sleep quality and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
C
Verified Purchase
Chemom
Omaha, US
★★★★★ 5
Cooling pillow
Size: Queen (1 Count), Color: White
Good pillow very comfy and cool. Good quality material very durable. I love using it. Perfect size!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
Z
Verified Purchase
zhaoxingwei
Massapequa, US
★★★★★ 5
Cool, Supportive, and Great for Hot Sleepers
Size: Queen Size Pack of 2, Color: White
These cooling pillows have been a great upgrade for my sleep. The shredded memory foam provides nice support while still feeling soft and adjustable. I like that the pillows keep their shape and don’t go flat during the night. The cooling fabric really helps if you tend to sleep warm. They feel breathable and comfortable, especially compared to traditional memory foam pillows that trap heat. The queen size is generous and works well for both side and back sleeping. Overall, a great value for a set of two pillows. Comfortable, supportive, and noticeably cooler than my old ones. I would definitely buy them again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
R
Verified Purchase
Raven
Bozeman, US
★★★★★ 3
Great pillows, needs more filler tho!
Size: King Size Pack of 2, Color: White
Partner says it's the best thing that's ever happened and has helped his back/shoulder pain tremendously. I personally think it needs to give you more fluff or whatever the filling is. Because the tiny bag that comes btwn the two was not enough! However, still comfy, filling is nice and fluffy like a cloud.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
T
Verified Purchase
trent hogan
San Leandro, US
★★★★★ 5
Very comfortable
Size: Queen (1 Count), Color: White, Size: Queen (1 Count), Color: White
Takes a few minutes to fluff up and inflate after opening. Nice fabric. One side is bamboo and one side is cooling. Looks high quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026

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