Scoyco K15-2 Motorcycle Motocross Racing Knee Guards Pads Braces Protective Gear Ergonomic shaped pad by premium EVA Foam features excellent shockproof and impact absorption Important note: Suggest calf: 30cm - 36cm; Suggest thigh: 36cm - 42cm Suitable For Cycling, Motorcycle, Roller-Skating, Snowboarding, Skating, Skiing and so on. PP protective shell - Effective safety protection all around The high-density high quality vented bio-foam keeps everything cool