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CoreKnit Wristband 5.0 – Jet Black
Take on any activity with confidence and comfort with CoreKnit—your go-to essential band at an affordable price. Compatible with WHOOP One and WHOOP Peak.
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.
Buy now, pay later from £8.50/mo
Key Benefits
- Lightweight knit for lasting comfort.
- Adjustable fit for daily wear.
- Easy to switch with Fast Link™ system.
CoreKnit delivers everyday ease with performance-ready features. Lightweight, flexible, and fully adjustable, it’s designed for comfort that moves with you.
DESIGNED FOR ULTIMATE COMFORT – CoreKnit is designed to be lightweight and flexible for all-day comfort.
PERFORMANCE KNIT – CoreKnit is made with our performance-ready knit, so that you can take on any workout or activity.
SWITCH UP YOUR STYLE – CoreKnit is available in a range of colors, so you can match your band to your personal style–made easy with Fast Link™ technology.
FULLY ADJUSTABLE – With a completely adjustable band, you can easily tighten or loosen CoreKnit to find your perfect fit.
Includes a Band, Hook, Clasp, and Fast Link™ slider that makes swapping bands easier than ever. Compatible with WHOOP One and WHOOP Peak—membership not included. CoreKnit is not ECG capable.
Disclaimers:
_WHOOP is not a medical device and should not be used to diagnose, cure, mitigate, manage, treat, or prevent any condition or disease. WHOOP should not be used in place of a medical device. WHOOP does not provide medical advice and is not a substitute for advice from your doctor or other medical professionals. If you have any health-related questions, please see your healthcare provider. You should never disregard medical advice or delay in seeking medical advice because of information from WHOOP. All content is for general informational purposes.
Blood Pressure Insights: Blood Pressure Insights is not a medical device and cannot diagnose or manage medical conditions. It does not provide medical advice. Always consult your doctor for health concerns and never delay or modify medical care based on its information.
ECG: This feature is not intended for users with known arrhythmias other than AFib or users under 22 years old. It is not recommended for users with a cardiac pacemaker, ICDs or other implanted electronic devices. This is a medically regulated feature and is not currently available in every region.
Healthspan: This feature is not available for users under the age of 18. This feature is for wellness purposes only and not for medical use.
Waterproof: IP68 water-resistant up to 10 meters for 2 hours._
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.
CoreKnit Wristband 5.0 – Jet Black
Take on any activity with confidence and comfort with CoreKnit—your go-to essential band at an affordable price. Compatible with WHOOP One and WHOOP Peak.
In stock. Next day delivery available.
Healf Zone members get free next day delivery on all orders.
Buy now, pay later from £8.50/mo
Key Benefits
- Lightweight knit for lasting comfort.
- Adjustable fit for daily wear.
- Easy to switch with Fast Link™ system.
CoreKnit delivers everyday ease with performance-ready features. Lightweight, flexible, and fully adjustable, it’s designed for comfort that moves with you.
DESIGNED FOR ULTIMATE COMFORT – CoreKnit is designed to be lightweight and flexible for all-day comfort.
PERFORMANCE KNIT – CoreKnit is made with our performance-ready knit, so that you can take on any workout or activity.
SWITCH UP YOUR STYLE – CoreKnit is available in a range of colors, so you can match your band to your personal style–made easy with Fast Link™ technology.
FULLY ADJUSTABLE – With a completely adjustable band, you can easily tighten or loosen CoreKnit to find your perfect fit.
Includes a Band, Hook, Clasp, and Fast Link™ slider that makes swapping bands easier than ever. Compatible with WHOOP One and WHOOP Peak—membership not included. CoreKnit is not ECG capable.
Disclaimers:
_WHOOP is not a medical device and should not be used to diagnose, cure, mitigate, manage, treat, or prevent any condition or disease. WHOOP should not be used in place of a medical device. WHOOP does not provide medical advice and is not a substitute for advice from your doctor or other medical professionals. If you have any health-related questions, please see your healthcare provider. You should never disregard medical advice or delay in seeking medical advice because of information from WHOOP. All content is for general informational purposes.
Blood Pressure Insights: Blood Pressure Insights is not a medical device and cannot diagnose or manage medical conditions. It does not provide medical advice. Always consult your doctor for health concerns and never delay or modify medical care based on its information.
ECG: This feature is not intended for users with known arrhythmias other than AFib or users under 22 years old. It is not recommended for users with a cardiac pacemaker, ICDs or other implanted electronic devices. This is a medically regulated feature and is not currently available in every region.
Healthspan: This feature is not available for users under the age of 18. This feature is for wellness purposes only and not for medical use.
Waterproof: IP68 water-resistant up to 10 meters for 2 hours._
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.
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Frequently asked questions
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
The Healf Source offers detailed insights into different aspects of wellbeing, as well as guidance, research, recipes, and more to help you invest in your personal wellbeing journey. You can also subscribe to our weekly newsletters for the latest updates at Healf and in the wellbeing industry. Subscribe via the sign-up block at the bottom of this page.
We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
Healf Curation Process™
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
The Discovery
Expert Validation
Community Testing
The Discovery
Expert Validation