L: Fit suggestin: weight < 75kg/165lb; XL: Fit suggestin: weight < 180kg/202lb Material: Lycra + Honeycombed foam pad Light weight properties and great impact absorption qualities High quality, good elasticity, super soft, comfortable and breathable to wear Helps to reduce the possibility of injury. Multi-functional, good for cycling ,skiing, skating, snowboarding, inline skating, football, basketball, Roller Blading and other Extreme Sports