WHOOP HydroKnit Bicep Band, Versatile, Comfortable, and Adjustable, 4.0 Compatible, Wearable Health, Fitness & Activity Tracker, Storm Grey, Size L/XL

ADVANCED FABRIC - The most advanced WHOOP fabrication yet, HydroKnit sits at the intersection of performance and science. FAST-DRYING - It dries twice as fast as the SuperKnit material and retains 30% less water - making it a must-have for water sports, high-sweat activities, or just taking a shower. RANGE OF SIZING & ADJUSTABLE - Available in sizes S/M and L/XL to ensure the most secure, comfortable fit. You can tighten or loosen the adjustable band easily with our Fast Link technology. 24/7 DATA TRACKING - Don’t lose a second of data, even when you take your WHOOP off your wrist. The Bicep Band is a great option if you want to wear a watch, bracelet, or just minimize distractions.