One size fits most men and women with stretchy material for easy on and off. Made of high quality plush and bamboo charcoal fiber, skin-friendly, breathable, flexible, stretchy, light, comfortable and warm, keeping your waist, abdomen and back warm and comfortable in spring and autumn. Provides gentle support for weak, injured and arthritic backs. Helps keep affected areas warm after injury and during recovery. Great to wear under clothing to relieve back pain. Suitable for all kinds of sports protection, ideal for outdoor activities in autumn, spring, summer, winter or cycling, cycling, motorcycle, snowboard, snowmobile, skiing, camping, hiking, mountaineering, hunting, running, dancing, yoga and gym. Size: M code (about 110-130 catties) Color: Grey/Yellow Packing list: 1pcs