Join WHOOP for as low as $0 and get the WHOOP 4.0 free with your membership.
$0 to begin | WHOOP 4.0 included
Choose a WHOOP 4.0 band
WHOOP is designed to be worn 24/7 — and designed to last.
We back our WHOOP devices with a lifetime warranty — meaning if you have any issues or problems, our team will replace your WHOOP device as long as you purchased directly through WHOOP and have an active membership. Further terms and conditions apply.
WHOOP monitors your sleep cycles, debt, performance, and quality, to help you know how much sleep you need every night.
WHOOP measures and accumulates your training activities and daily effort with a Strain score that helps you understand when to rest or push.
WHOOP analyzes your key metrics like HRV and resting heart rate to determine a daily recovery score, and shows you how specific lifestyle and training behaviors affect Recovery.
WHOOP now measures your blood oxygen levels, skin temperature, heart rate, and more, so you can see when you’re making progress, or when something’s off your baseline.
WHOOP measures your stress level in real-time using HRV and heart rate. Stress Monitor gives you a personalized stress score from 0 to 3 and suggests science-backed breathwork sessions to either increase alertness or relaxation.
*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.
Take the guesswork out of your training with Strain Target. Based on your recovery, you'll get a daily target exertion goal to help avoid overtraining and undertraining.
WHOOP measures your sleep patterns and debt, so you know how much sleep you need. Sleep Planner can even wake you when you've reached optimal recovery.
Track your daily behaviors like diet type, stress levels, caffeine intake, and more to understand which behaviors impact sleep and recovery most.