Olivia J. 🇬🇧 – Nurse
As a nurse working long 12-hour shifts, I was constantly dealing with sore heels. These shoes have made a real difference in my comfort throughout the day.
Smart Knee Massager with Heat Vibration Red Light
5.0 ( 12778 Reviews )
Designed for 12-Hour Shifts
All-Day Comfort for Feet, Knees & Back
Slip-Resistant on Wet & Hard Floors
Find Your Perfect Fit
These shoes are designed with a comfortable, supportive fit and extra room where it's needed most.
✅ We recommend ordering your usual UK shoe size.
✅ If you're between two sizes, choose the larger size for the best fit.
Example
- If you normally wear UK 6, order UK 6.
- If you're usually between UK 6 and UK 7, we recommend ordering UK 7.
You can also measure your foot length using the size guide below to find your ideal fit. For most customers, simply ordering your usual UK shoe size is the best option.
If your Comfeva™ shoes aren't the perfect fit, you're covered by our 45-Day Wear Guarantee, giving you plenty of time to try them with confidence.
Wide Toe Box – Ideal for Wider Feet & Bunions
45-Day Wear Guarantee
Try risk-free with our 45-day wear guarantee today.
Trusted by 500,000+ Customers
Trusted by over 500,000 happy customers across Britain.
Free UK Delivery & Returns
Free UK delivery with hassle-free returns on every order.
All-Day Comfort
Enjoy lasting comfort throughout every shift, every single day.
A rechargeable knee massager with red light, adjustable heat, vibration, and a 360° wraparound design for personalised knee care.
This smart knee massager combines red LED light therapy, adjustable heat up to 113°F, and vibration massage to help relax tired knees and surrounding muscles. The touchscreen controls allow you to adjust temperature, vibration intensity, and light settings, whilst the ergonomic wraparound design with adjustable Velcro straps provides a secure fit during use.
Features of the Knee Massager for Relaxation
- Red Light Therapy: Built-in red LEDs emit light in the 610–650 nm wavelength range to complement heat and vibration.
- Adjustable Heat and Vibration: Provides soothing warmth up to 113°F with multiple vibration levels for personalised comfort.
- 360° Wraparound Design: Ergonomic shape surrounds the knee with adjustable Velcro straps for a secure, comfortable fit.
- LED Touchscreen Control: Intuitive touchscreen lets you monitor and adjust temperature, vibration intensity, and light settings easily.
- Rechargeable Battery: Provides 2–3 hours of use per charge with USB-C charging and blue indicator light to show progress.
Olivia J. 🇬🇧 – Nurse
As a nurse working long 12-hour shifts, I was constantly dealing with sore heels. These shoes have made a real difference in my comfort throughout the day.