This inner protector can be worn under pants to protect your hips and protect them from hard playing skateboarding. EVA foam padding is soft and breathable while mesh body enhances fit. EVA foam is attached to the seat and tailbone. Recommended for vertical practices and those who want to slip hard. Jr: 26.0 - 28.0 inches (66 - 71 cm), S: 28.0 - 30.0 inches (71 - 76.2 cm), M: 30.9 - 36.0 inches (76.2 - 81.3 cm), XL: 36.8 inches (91.4 cm) and up.