Package Includes: 1 or 2 Knee Compression Sleeves Size Chart: M (Suitable for leg circumference: 38-44 cm / 15-17 inches) L (Suitable for leg circumference: 44-48 cm / 17-19 inches) XL (Suitable for leg circumference: 48-52 cm / 19-20.5 inches) XXL (Suitable for leg circumference: 52-60 cm / 20.5-23.5 inches) Note: The size is measured by hand; please allow for a 1-2 cm error. Specifications: 1. : YOUNOEND 2. Name: Knee Support 3. Material: Nylon, Spandex 4. Color: Grey, Black 5. Size: M, L, XL, XXL 6. Suitable for: Adult Men and Women 7. Function: Knee pain, discomfort, mild strain and sprain, joint fatigue, keeping the knee warm, and rehabilitation after injury. 8. Applicable scenes: Basketball, football, soccer, volleyball, tennis, badminton, golf, climbing, mountaineering, hiking, cycling, biking, running, weightlifting, yoga, and sports fitness. 9. Due to variations in monitors and lighting conditions, colors may appear slightly different from the listed photos. About this item: 1. ABSORBENT, BREATHABLE, SKIN-FRIENDLY - The three-dimensional design and fiber cross-section create space for absorbing and evaporating large amounts of water, promoting circular breathing to protect the knee during movement and keeping it cool and comfortable. 2. 3D THREE-DIMENSIONAL WOVEN STRUCTURE - High-precision 3D knitting technology with an ergonomic design provides a 360-degree fit to the knee, enhancing comfort. The contoured fit allows for maximum comfort and prevents slippage. 3. INJURY PREVENTION - The soft neoprene material with a knee buffer keeps your knee warm and lubricates your joints. Special weaving technology on both sides of the rib support in the popliteal fossa prevents injuries. 4. RECOVERY AND REHABILATION - Suitable for knee pain and discomfort, mild strain and sprain, knee fatigue, patellar instability, and fitness. Great for sports and workouts. 5. SUPERIOR DURABILITY - Premium stitching and construction. Suitable for football, basketball, and mountaineering. Breathable and sweat-absorbent, this is a knee sleeve you can rely on.