Best Seller

WHOOP 4.0 Health and Fitness Tracker with 1-Year Membership

Item No. 81011436000
239.0 $239.00

Select Delivery Method:

Free Shipping

Est. Delivery Thur. 9/28 - Sat. 9/30

Frequently Bought With

How do you get to your best? You sweat the details. You tweak, refine, revise your plan. You find the edge of what's possible - day in and day out. You obsess about understanding your body and your mind.

Product Details

WHOOP 4.0 Health and Fitness Tracker with 1-Year Membership


The WHOOP 4.0 Health and Fitness Tracker is a wearable coach that keeps track of everything from your sleep patterns to your exercise habits to not just track what you did, but to tell you what to do next. The WHOOP 4.0 coaches you through your day with recommendations based on your unique physiology, whether that's recommending when to go to bed or how much exertion you should take on to meet your fitness goals. Purchase includes an initial 12-month WHOOP membership, WHOOP 4.0 hardware, onyx SuperKnit band, and a wearable + waterproof* battery pack. WHOOP also comes with 24/7 customer service and a warranty in order to make it a worry-free purchase. At the end of your 12 months, you can renew your membership via the WHOOP app to continue use.


  • WHOOP connects to your favorite health and fitness apps like Strava and Apple Health Kit for a holistic view of your health.
  • Strength Trainer fills a critical gap in the wearables space by quantifying both cardiovascular and muscular load for a comprehensive view of your training and overall Strain, allowing you to train more effectively and efficiently. Strength Trainer tracks exercises, reps, and weight usage to quantify your muscular load and strain on your musculoskeletal system, either from building your own workout or chosing from pre-built options by some of the best trainers and athletes in the world.
  • Strength trainer tracks exercises, reps, and weight usage to quantify muscular load, combining the accelerometer and gyroscope sensors with advanced biometrics to calculate the strain you put on your musculoskeletal system. That muscular load is now factored into your Strain, giving you a more comprehensive and advanced view of the demands you place on your body.
  • - Strength Trainer
  • Based on your score, you can choose a breathwork session to increase your alertness for performance or increase relaxation in a stressful moment.
  • Now WHOOP gives you daily insights about your stress, and science-backed techniques to help manage it. Stress Monitor measures your HRV and heart rate to calculate a personalized stress score from 0 to 3.
  • Connect WHOOP with your favorite apps
  • Track your menstrual cycle to adjust your sleep and training based on where you are in your cycle.
  • See your long term trends
  • Monitor metrics like heart rate, respiratory rate, resting heart rate, heart rate variability, skin temperature, and blood oxygen levels with Health Monitor. Get alerts when you deviate beyond what's normal for you, which could be a sign of illness or other factors.
  • Monitor your health
  • Track and log your daily behaviors like diet, alcohol consumption, stress levels, caffeine intake, and more with the WHOOP Journal. WHOOP then calculates which habits help or hurt your sleep and recovery most, making it easier to stick with healthy habits.
  • Learn how habits impact your health
  • WHOOP tracks workouts automatically and provides a detailed breakdown of your heart rate, calories burned, and duration. Use Strain Coach to get personalized guidance on an optimal daily exertion goal.
  • Track your workouts & optimize your training
  • By analyzing key metrics that indicate overall health, like heart rate variability (HRV) and resting heart rate (RHR), WHOOP provides you with a daily recovery score to help you understand when you should rest or when you should push yourself.
  • Understand when you're recovered
  • WHOOP recommends a daily sleep target and provides a detailed view of how much time you spend in every sleep stage. Use Sleep Coach to select the best sleep and wake times and set a vibrating alarm so you wake up ready to perform.
  • Improve your sleep performance
  • Get a weekly report that covers changes to your sleep patterns and activity. Dive into a highly personalized monthly readout of which behaviors help your recovery most.
  • Enjoy regular new feature releases
  • Unlike other wearables, WHOOP launches new features and functionality you can enjoy instantly as a benefit of your membership.
  • Train and sleep around your menstrual cycle
  • You control your data, and all of your information is kept secure and confidential. Choose to export 30 or 180-day health data trends to share with your coach, trainer, PT, or physician.
  • Keep your data secure and confidential
  • Can't wear something on your wrist for work - or for your workouts? WHOOP can be worn in WHOOP Body apparel, including shorts, sports bras, and more, or slip your WHOOP into bicep bands or arm sleeves for full flexibility and range of motion.
  • Wear WHOOP beyond your wrist
  • WHOOP can be charged while you're wearing it for no interruption in data collection. The wireless, waterproof* battery pack lasts up to 5 days on a single charge.
  • Wearable, long lasting battery
  • Your WHOOP comes with a free Onyx band, but you can personalize your look and choose from multiple color combinations - including different band and clasp color options.
  • Style WHOOP your way
  • WHOOP has been validated in lab studies and with third-party testing. 5 LEDs and 4 photodiodes capture your data continuously to deliver best-in-class accuracy.
  • Lab validated


  • USB-C charging cable
  • Battery pack
  • Onyx SuperKnit band
  • Hardware
  • Initial 12 month membership
California Residents
Proposition 65 Warning WARNING: Cancer and Reproductive Harm -

Q & A