WHOOP HydroKnit Bicep Band, Versatile, Comfortable, and Adjustable, 4.0 Compatible, Wearable Health, Fitness & Activity Tracker

Our fast-drying HydroKnit material is now available in a bicep band. HydroKnit dries twice as fast as SuperKnit and retains 30% less water – making it a must-have for water sports, high-sweat activities, or just taking a shower. The Bicep Band frees your wrist and allows you to capture data on your upper arm. Includes Band, Hook, Clasp, and Fast Link slider that makes swapping bands easier than ever. Only compatible with WHOOP 4.0.