- Compatible Models : Our sports silicone bands are designed for WHOOP 5 and WHOOP MG (fitness tracker not included). Please note: Not compatible with WHOOP 4.0. - Soft and Breathable Material : Crafted from ultra-soft silicone, this band is skin-friendly, flexible, sweat-resistant, waterproof, and lightweight. The durable material ensures comfort throughout the day, whether at work, during workouts, or while you sleep. The skin-friendly metal buckle adds a silky touch and prevents skin irritation. - Adjustable Fit : Featuring sturdy Velcro straps, these bands can be easily adjusted to fit wrists measuring 150 mm to 210 mm. Its stylish silicone design makes it suitable for both men and women, perfect for any occasion, from sports to social outings. This band also makes a thoughtful gift for friends and family on special occasions like birthdays, Christmas, and Valentine's Day. - Secure Safety Buckle : Our intuitive safety buckle design ensures a precise fit. Simply align the holes on either end, and with a single tap, lock them securely onto your WHOOP MG tracker. This prevents accidental falls and loosening, with no tools required. - Practical Use Cases : Ideal for daily wear, prompt fitness tracking during workouts, and comfortable enough to use while sleeping, our silicone band meets the demands of your active lifestyle. Enjoy your favorite activities without worrying about your fitness tracker.