1. Please measure your size: 1 pair included, this product is designed to fit both the left and right knee. Two sizes available: M size flat length 25 cm, width 9 10 cm, thigh circumference 20 40 cm, recommended weight 40 kg 60 kg; L size flat length 26 cm, width 12 13 cm, thigh circumference 40 58 cm, recommended weight 60 kg 85 kg. Suitable for most women and men. 2. SOFT COMFORTABLE: Made of quality wool fabric, sweatabsorbent, soft, comfortable, and breathable. Exquisite craftsmanship with fine milling ensures heat retention and skinfriendliness. Effectively prevents outside air from entering and retains warmth inside. Easy to put on and take off in seconds. 3. EFFECTIVELY RELIEVES JOINT MUSCLE PAIN: Keeps knees and legs warm, accelerates healing, alleviates pain, and strengthens knee support. Snug fit allows movement without slipping while enhancing the natural body contour. 4. IDEAL FOR DAILY USE: for long hours in the office or at home, and also serves as support for meniscus tears, knee joint strains, arthritis, etc. An sports protective gear for running, cycling, yoga, and fitness training. The scientifically optimized design ensures knee protection, warmth, and comfort.