Breathable nylon bicep band designed for compatibility with Whoop 4.0 and Whoop 3.0 devices. Provides a secure, comfortable wrist option for activity tracking when a wrist strap is not practical. Key benefits Wear on the bicep only for reliable sensor contact when a wrist placement is not possible. Breathable nylon construction for airflow and allday comfort during activity. Lightweight and durable for repeated use and intense workouts. Discreet lowprofile design that fits under clothing and with other wrist wear. Simple installation that uses the device mounting and the original Ushaped bracket. Features Compatibility: Designed specifically for Whoop 4.0 and Whoop 3.0 devices. Material: quality, breathable nylon for comfort and durability. Fit: Adjustable strap with secure clasp that holds the device in place on the bicep. Performance: Built to stay comfortable during movement while maintaining sensor contact. Easy installation 1. Remove the current strap from the device. 2. Thread the replacement attachment onto the device. 3. Hook the clasp to the original Ushaped bracket for a secure fit. Use scenarios Wearing a watch: Keep monitoring active while wearing a wristwatch by moving the tracker to the bicep. Activities that block wrist placement: Ideal for activities where wrist straps interfere, such as weight training, contact sports, or tasks that require wrist protection. Professional or formal settings: Wear under a sleeve for discreet data collection during work or events. What to expect A breathable, adjustable bicep strap that offers a secure, wrist way to carry compatible tracking devices. Designed for comfort, durability, and easy swapping with the original bracket for immediate use.