MBS Pro Elbow Pads Specs: Super Durable 1200 Denier Nylon Outer Skin. Comfortable Eva Foam Padding. High-Impact Pp Protective Shells. Adjustable Velcro Straps. Sizing Chart: XSmall = under 4'6 inches; Small = 4' 6 inches - 5'; Medium = 5' - 5'6 inches; Large = 5'7 inches - 6'; XLarge = 6'+ Pads should fit tight and not move around during a fall. Specs: Super Durable 1200 Denier Nylon Outer Skin. Comfortable Eva Foam Padding. High-Impact Pp Protective Shells. Adjustable Velcro Straps. Sizing Chart: 5' or under = S 5' - 5'6" = M 5'7" - 6' = L 6'+ = XL Pads should fit tight and not move around during a fall.