WHOOP 4.0
The WHOOP 4.0 optimises health, fitness and life by tracking biometric data, offering tailored recommendations for lifestyle, habits and training to unlock your potential.
£229.00
In stock. Next day delivery available.
Buy now, pay later from £57.25/mo with
Free UK shipping over £50, free returns.
Key Benefits
- Personalised insights for improved sleep, smarter training and faster recovery.
- Tracks heart rate, skin temperature and blood oxygen levels.
- Rechargeable for continuous 24/7 monitoring.
Elevate your health and performance with WHOOP 4.0, a cutting-edge wearable device designed to continuously monitor your physiological data. This advanced fitness tracker comes with a 12-month subscription, which provides access to personalised insights and science-backed performance optimisation.
The WHOOP 4.0 tracks a comprehensive range of metrics, including heart rate, respiratory rate, skin temperature, blood oxygen levels, daily activity, and sleep. This data allows WHOOP to calibrate to your baseline and calculate daily performance values, health metrics, stress levels, and long-term trends. With real-time coaching based on your unique data, you can make informed decisions to enhance your overall wellbeing.
The WHOOP Journal complements these insights by tracking daily behaviuors such as activity, nutrition, and stress levels. This feature helps you identify how various habits impact your sleep and recovery, supporting the development of healthier lifestyle choices.
WHOOP’s three key scores—Sleep, Strain, and Recovery—offer a deep understanding of your body's dynamic needs. Optimise your recovery with lab-grade sleep tracking, measure your physical and mental exertion for a complete daily assessment, and gauge your adaptation to stressors to determine whether you’re ready for more activity or need additional rest.
What's inside:
- Exclusive 12-month WHOOP subscription for personalised insights and feedback.*
- 4.0 Hardware: 5 LEDs, 4 photodiodes that provide accurate data validated in lab studies and third-party testing.
- Onyx SuperKnit band.
- Waterproof battery pack.
*Please note that the free subscription period is exclusive for new WHOOP customers and does not apply if you already have an account.
WHOOP 4.0 sets itself apart with its unparalleled data precision and depth. While standard fitness trackers might offer basic metrics, WHOOP delves deeper by collecting 50-100 megabytes of data daily and sampling metrics 1,000 to 10,000 times more frequently than devices like FitBit or Apple Watch. This intense data sampling ensures a more accurate and granular view of your heart rate, respiratory rate, skin temperature, and other critical metrics. This high-resolution insight allows WHOOP 4.0 to provide detailed, actionable feedback for optimising your training, recovery, and overall health. By capturing such comprehensive data, WHOOP 4.0 helps you make informed decisions and refine your performance with unprecedented precision.
WHOOP was founded in 2012 by Will Ahmed, then a Harvard student athlete, who was determined to enhance his training and recovery. After reviewing over 500 medical papers, Ahmed discovered that continuous monitoring of metrics like heart rate and variability could significantly boost performance and wellbeing. This insight led to the creation of WHOOP, a groundbreaking wearable that provides unparalleled visibility into how sleep, strain, and recovery impact overall health and performance.
From its beginnings with elite athletes like LeBron James and Michael Phelps, WHOOP has revolutionised the understanding of human physiology. The company's mission is to unlock human performance by offering deep insights into the body’s functions and helping users achieve their highest potential physically, mentally, and emotionally. WHOOP’s relentless pursuit of understanding and optimising human performance continues to drive its innovation and impact.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Screen size: 4 inches
Item weight: 0.14 kg.
Shipping
At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.
UK standard delivery
Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.
Next working day
For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.
International
International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.
Returns
If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.
For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.
The WHOOP strap should be placed on whichever wrist you find most natural, slightly higher than the wrist join. Use in conjunction with the WHOOP app which provides a daily dashboard for sleep, activity, health, recovery, and stress tracking.
You may also like
Shop by collection
Frequently asked questions
Our main focus here at Healf is to make sure you are getting access to the best global wellbeing brands that align with our core values, where we believe wellbeing is characterized by The Four Pillars - EAT, MOVE, MIND, SLEEP. We hand select products all over the world and put them through our strict three step curation process which entails discovery, expert validation, and our community testing. In order to protect our community we always quality check all ingredients of the products we select, and do not feature products with any ingredients we mention on our Healf Banned Ingredient List.
Our team of in-house experts stay up to date with the latest research on wellbeing. They constantly evaluate health trends and make sure to filter real vs. faux and deeply understand that there truly is no ‘one size fits all’ approach to your wellbeing. You can check the Healf journal here and make sure to subscribe to our mailing list for more content.
We love people who check ingredients. You’ll find detailed information about the ingredients in every product page and if you find something you’d like to flag with us or have more questions, drop us a message.
Healf
Curation Process™
With our Healf Curation Process, we do the work for you. Shop with confidence knowing every item has been tried, tested, and curated for you.
Brand Discovery
Expert Validation
Community Testing