Help WHOOP and the Battle Cancer organization challenge and change medical and fitness stigmas around exercise post-cancer. When you buy a Battle Cancer band, a portion of proceeds will be donated to Battle Cancer in an effort to support survivors. Made with our premium SuperKnit material.

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

WHOOP 4.0 and membership not included. Visit and sign up for a membership today!