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MEET whoop 4.0

tracks everything.
Feels like nothing.

No screen. No notifications. Nothing but nonstop data collection. Designed to be worn 24/7, the advanced WHOOP 4.0 is lightweight and minimal so nothing gets in the way of a snatch, swing, or stride.

YOU’VE NEVER SEEN A WEARABLE LIKE THIS

The all-new WHOOP 4.0 is smaller, smarter, and designed with new biometric tracking, including skin temperature, blood oxygen, and more.

YOU’VE NEVER SEEN A WEARABLE LIKE THIS

The all-new WHOOP 4.0 is smaller, smarter, and designed with new biometric tracking, including skin temperature, blood oxygen, and more.

WEAR IT ANY-WEAR

Comfortable enough to wear non-stop with new SuperKnit bands, but flexibly designed to be worn in new WHOOP Body sensor-enhanced technical apparel.

WAKE UP AT THE OPTIMAL TIME

Set a haptic alarm that gently vibrates to wake you at the optimal time based on your sleep needs and cycles.

MONITOR YOUR HEALTH**

A robust sensor suite allows you to monitor your key vital signs: Blood oxygen, skin temperature, heart rate, and more.

COUNTLESS COLOR COMBINATIONS.

Customize your WHOOP Band, Hook, Clasp, and Fast Link slider with a variety of colors from WHOOP Your Way. Plus, shop our line of SuperKnit Luxe Bands with precious metal plating.

Arctic Gold
Ivy Rhodium
Onyx Rose Gold
LAVA PINK
HEATHER
FLURO YELLOW
ARCTIC
ICE
ONYX
STONE
TUNDRA

THE ONLY WEARABLE THAT’S TRULY WEARABLE

Introducing WHOOP Body with Any-Wear technology, a brand new way to wear WHOOP. Track data throughout your day with new technical garments designed to make sure nothing gets in your way.

FLEXIBILITY

The all-new Fast Link slider makes it easy to swap your WHOOP between bands and garments depending on your daily needs.

MOBILITY

Italian-sourced Poly Lycra and Pima Cotton fabrics give you the confidence to move easily – and comfortably.

STYLE

The new line combines a modern, minimalist design with smart detailing. New styles released regularly.

THE ONLY WEARABLE THAT’S TRULY WEARABLE

Introducing WHOOP Body with Any-Wear technology, a brand new way to wear WHOOP. Track data throughout your day with new technical garments designed to make sure nothing gets in your way.

FLEXIBILITY

The all-new Fast Link slider makes it easy to swap your WHOOP between bands and garments depending on your daily needs.

MOBILITY

Italian-sourced Poly Lycra and Pima Cotton fabrics give you the confidence to move easily – and comfortably.

STYLE

The new line combines a modern, minimalist design with smart detailing. New styles released regularly.

BREAKTHROUGH TECHNOLOGY, BEAUTIFULLY DESIGNED

WHOOP 4.0 may be small but it packs highly advanced technology. Powered by a robust sensor suite, on-the-go charging, bluetooth capabilities, and beyond, 4.0 was engineered to keep up with your day-to-day life.

5 LEDS & 4 PHOTODIODES

Capture your data continuously with best-in-class accuracy validated in lab studies and with third-party testing.

WATERPROOF* UP TO 10 METERS

Both WHOOP and our battery pack are waterproof* so you can wirelessly charge your 4.0 even while in the shower, sauna, or washing dishes.

MULTI-DAY BATTERY LIFE

Don’t miss a second of your data with our new and improved battery pack, engineered with a 4 to 5 day battery life.

BLE-COMPATIBLE

Engineered with Bluetooth capabilities, broadcast your heart rate onto BLE-compatible devices including bikes, rowers, and more.

NOW 33% SMALLER

WHOOP 4.0 is 33% smaller than the 3.0, but engineered with an even more powerful sensor configuration.

BREAKTHROUGH TECHNOLOGY, BEAUTIFULLY DESIGNED

WHOOP 4.0 may be small but it packs highly advanced technology. Powered by a robust sensor suite, on-the-go charging, bluetooth capabilities, and beyond, 4.0 was engineered to keep up with your day-to-day life.

5 LEDS & 4 PHOTODIODES

Capture your data continuously with best-in-class accuracy validated in lab studies and with third-party testing.

WATERPROOF* UP TO 10 METERS

Both WHOOP and our battery pack are waterproof* so you can wirelessly charge your 4.0 even while in the shower, sauna, or washing dishes.

MULTI-DAY BATTERY LIFE

Don’t miss a second of your data with our new and improved battery pack, engineered with a 4 to 5 day battery life.

BLE-COMPATIBLE

Engineered with Bluetooth capabilities, broadcast your heart rate onto BLE-compatible devices including bikes, rowers, and more.

NOW 33% SMALLER

WHOOP 4.0 is 33% smaller than the 3.0, but engineered with an even more powerful sensor configuration.

JOIN WHOOP TODAY

Choose from 6, 12, or 18-month plans.

*WHOOP 4.0 is IP68 dustproof and water-resistant up to 10 meters for 2 hours. WHOOP 4.0 Battery Pack is IP68 dustproof and water-resistant up to 1 meter for 2 hours.

**WHOOP 4.0 is not a medical device and is not intended to diagnose or monitor any disease or medical condition.