TechTrendz Stretchy Solo Loop Replacement Strap for Whoop 4.0 Adjustable Soft Sport Nylon Elastic Braided Bands Compatible with Whoop 4.0, Durable Sleep, Wearable Health, Fitness & Activity Tracker (Device Not Included) (Matte Black)

Compatible Models - TechTrendz stretchy solo loop wristband are compatible with WHOOP 3.0 and 4.0 (Note: Whoop Fitness Tracking Not Included). High-quality materials - The whoop 4.0 straps are made of premium stretch nylon material,skin-friendly, breathable,lightweight and durable. improves airflow and comfort, bring you a comfortable wearing experience, Sweat & water resistant.. Easy Installation - TechTrendz solo loop elastic wristband is designed with new upgraded technology, Simply align the holes on both ends and with a single tap, lock accurately and securely on your whoop 4.0 tracker interface, Prevents trackers and straps from falling off and becoming loose, which is both beautiful and safe. No tools needed.. Adjustable Size Design - The whoop bands are designed with adjustable hook & loop fasteners, easy to adjust the band to fit your wrist and wearing firmly. Stretchy Nylon weave design fit for all stylish women and men. Suitable for 5.9-9.1''(150mm-232mm) wrist.. Sports solo loop wristband can not only dress up your whoop 4.0/3.0, but also match your daily mood. Make your whoop more personalized and fashionable in daily life. Whether it is sports, office or daily wear, it is your best choice.. COMPATIBILITY: Specially designed replacement strap for Whoop 4.0 fitness tracker, ensuring a perfect and secure fit