Fitness equipment: Get a heated therapy waist support belt. Support: Adjustable straps provide a customised fit and makes it comfortable to wear under clothes. Dimensions: See Full Details. Pain relief: Offers long lasting back and hip pain relief and soothes sore muscles. Self-heating: Retains body heat and improves blood circulation. Size options: Choose from medium, large, XL or XXL. Heated Therapy Waist Belt | Living Social