WHOOP CoreKnit Accessory Band Jet Black – Compatible with One and Peak – Comfortable, Versatile, Performance Knit Fitness Accessory for 24/7 Activity, Sleep, Recovery Tracker.

Take on any activity with confidence and comfort with CoreKnit—your go-to basic band at our most affordable price.

Includes a Band, Hook, Clasp, and Fast Link™ slider that makes swapping bands easier than ever. Compatible with WHOOP One and WHOOP Peak —membership not included.

Designed for Ultimate Comfort
CoreKnit is designed to be lightweight and flexible for all-day comfort.

Performance Knit
CoreKnit is made with our performance-ready knit, so that you can take on any workout or activity.

Switch Up Your Style
CoreKnit is available in a range of colors, so you can match your band to your personal style–made easy with Fast Link™ technology.

Fully Adjustable
With a completely adjustable band, you can easily tighten or loosen CoreKnit to find your perfect fit.