WHOOP CoreKnit Wristband – Compatible with One and Peak – Performance Knit – Not Compatible with Gen 4

WHOOP CoreKnit Wristband – Compatible 5.0 One and Peak – Comfortable, Versatile, Performance Knit Fitness Accessory for 24/7 Activity – Not Compatible with Gen 4 – Ash Grey

WHOOP Peak – 12-Month Membership – 5.0 Health and Fitness Wearable – 24/7 Activity and Sleep Tracker with Heart Rate, HRV, Stress Monitor, Personalized Coaching, Healthspan – 14+ Days Battery Life

WHOOP 5.0/MG SuperKnit – ECG Compatible, Signature Performance Knit – Not Compatible with Gen 4