Features: Engineered with Hydroknit technology, this waterproof and quick drying band for Whoop resists sweat, rain, and water enjoy while maintaining breathability during intense workouts or aquatic activities. Its ergonomic nylon weave combines durability with featherlight comfort, featuring adjustable sizing and skin friendly texture for irritation without wear across all wrist sizes. Ideal for athletes, swimmers, and fitness enthusiasts seeking a stable , sweat proof accessory for tracking performances in demanding environments. Perfect for swimming laps, training, or outdoor adventures where moisture resistance and rapid drying secure uninterrupted activity monitoring. Choose from versatile colors and textured designs like hexagonal patterns to personalize your Whoop while enjoy secure, tool without installation and all day comfort. Specifications: Component : Nylon Size: about 25x6x2cm/10x2..8inch Package Includes: 1xSport Band note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.