WHOOP 4.0 — Small on Size, Big on Function - Coach and Athletic Director

The new Whoop strap is a 24/7 wearable throughout that's smaller and smarter — tracking skin temperature and oxygen levels.

WHOOP 4.0 — An Entrepreneur's In-Depth Review, by Jaydon He (@zen1th.fit), Long. Sweet. Valuable.

EVERYTHING YOU NEED IS INCLUDED: Purchase includes an initial 12-month WHOOP membership, 4.0 hardware, Onyx SuperKnit band, and wearable, waterproof*

WHOOP 4.0 with 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate

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