The ultimate pack for high-performance. Go off wrist with the SuperKnit Bicep Band, stay dry with the all-new SportFlex band made from silicone, and swap out in the ultra comfortable HydroKnit band that dries twice as fast as SuperKnit.

Includes band, hook, clasp, and Fast Link™ slider that makes swapping bands easier than ever. Only compatible with WHOOP® 4.0.