Hydroknit swimproof fitness band compatible with Whoop devices This lightweight nylon band uses Hydroknit technology to deliver a waterproof, quickdrying strap that stays comfortable and secure during sweat, rain, and water activities. The ergonomic nylon weave balances durability with featherlight comfort while maintaining breathability during intense workouts or aquatic use. Key benefits Reliable water resistance and fast drying so you can track activity without interruption when swimming, showering, or training in wet conditions. Breathable, featherlight nylon construction that reduces skin irritation during all day wear. Secure, stable fit with adjustable sizing so the sensor stays in place through vigorous movement. Tool installation for easy swapping and comfortable everyday use. Multiple colors and textured designs such as hexagonal patterns let you your device. Features Hydroknit technology for waterproof and quickdry performance while remaining breathable. Ergonomic nylon weave for durability and lightweight comfort. Skin friendly texture designed to minimize rubbing or chafing during prolonged use. Adjustable sizing to accommodate a wide range of wrist sizes. Compatible with Whoop devices for reliable sensor attachment and tracking. Practical use scenarios Swimming laps in the pool or open water where water resistance and rapid drying prevent slipping or distraction. intensity gym sessions and interval training where secure fit and sweat resistance keep the sensor in place. Outdoor adventures and watersports such as paddleboarding, hiking in wet conditions, or rainy runs where durability and comfort matter. Specifications Component material: Nylon Size: about 25 x 6 x 2 cm approximately 10 x 2.8 inches Package includes 1 x Sport Band Notes Please allow 1 to 2 cm differences due to manual measurement. Colors may appear different depending on monitor settings.