Our knee protective pad is made of professional grade fabrics, lightweight design, dry and breathable, refused to get hot, for the hot and humid spring and summer knee health care design. Great gift to runners, athletes, fitness workouts, hiking. Features - Color: Black. - Material: Nylon. - Size S: Length: 27cm; Upper Width: 15cm; Down Width: 13cm; Suitable LegCircumference: 30-34cm. - Size M: Length: 27cm; Upper Width: 16cm; Down Width: 14cm; Suitable LegCircumference: 35-41cm. - Size L: Length: 27cm; Upper Width: 17cm; Down Width: 15cm; Suitable LegCircumference: 42-47cm. - Size XL: Length: 27cm; Upper Width: 18cm; Down Width: 16cm; Suitable LegCircumference: 48-55cm. - Comfortable: Good knee support with no stiffness. No itching. No slipping. Full mobility comfort. - Anatomically shaped: Prevent injuries and accelerate your recovery. Great for healing and rehab. - Pain relief from: osteoporosis, post-surgery pain, swelling as well as strains and sprains. - Wear Everyday: Easy to wear thanks to its light and material. Unisex. Can be worn all day. - Perfect for cross training, weight lifting, gym workouts and any other types of exercises.