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so you can discreetly track data 24/7
designed for 24/7 wear
Increase in heart rate variability by 3
It layers seamlessly under clothing
Capture your data with performance apparel that supports you and your fitness goals
4.0 Kelp Hydroknit Band cycling so you can discreetly trackThe HydroKnit band is a sleek, fast drying fabrication thats a fan favorite for a reason. It 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. Includes Band, Hook, Clasp, and Fast Link slider that makes swapping bands easier than ever. Only compatible with WHOOP 4. 0.