Triple Eight EP 55 Elbow Pads (Elbow circumference with outstretched arm) * XS 5-6 in - SM 6-8 in - MD 8-10 in - LG 10-12 in - XL 12-14 in * Heavy duty EVA memory foam - High-density, impact-resistant cap securely attached with reinforced rivets - EP 55 elbow pads have a comfortable and cool Lycra sleeve * Top elastic and bottom webbed adjustable straps - Flat cap design for longevity and stability - Ideal for skateboarding, inline skating (roller blading) and roller derby