Description: Material: Made of polyester, spandex, environmentally friendly and breathable elastic material, it will not restrict your freedom of movement of your legs, and it is soft and comfortable to wear. Soft anti-collision block design: One-piece anti-collision gasket, one-piece molding will disperse the impact caused by the movement, and the effect of compression and shock absorption is good. Anti-slip: non-slip silicone strip on the upper beam, four-needle and six-thread edging on the lower beam, non-slip. Leg guards and knee guards absorb moisture and wick away sweat, fit the legs, can better protect the legs, and can reduce the incidence of sports sprains and injuries. Applicable sports: Knee pads are suitable for outdoor activities such as basketball, football, baseball, hockey, volleyball, skating, mountaineering, golf, cycling, and weightlifting. Suitable for men and women. Specification: Material : Polyester, Spandex Size Chart: M: total length 53cm/20.87inch, upper leg circumference: 33-40cm/12.99-15.75inch, lower leg circumference: 17-20cm/6.69-7.87inch, suitable weight: within 60kg L: Total length 54cm/21.26inch, upper leg circumference: 35-44cm/13.78-17.32inch, lower leg circumference: 19-22cm/7.48-8.66inch, suitable weight: within 70kg XL: total length 55cm/21.65inch, upper leg circumference: 38-48cm/14.96-18.90inch, lower leg circumference: 20-24cm/7.87-9.45inch, suitable weight: 70kg or more Package Includes: 1 Piece Knee Calf Pad(2 Pack) Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!