Specification: Material: 85% polyester, 15% spandex Protective parts: calves, knees Suitable for: children Applicable sports: Football, basketball, roller skating, balance bike Application scenario: running sports, cycling sports, sports protective accessories, foot basket sports Color: Black, white Size: YS,YM,YL,YXL Scale table: Size-------Length---------- 1/2Waist-----------Recommended Height----- Recommended Weight YS------52cm/20.47"-------24cm/9.45"-----110cm/43.31"-------------15-20kg/40.19-53.58"lb YM-----54cm/21.26"-------26cm/10.24"----120cm/47.24"-------------20-25kg/53.58-66.98lb YL------56cm/22.05"-------28cm/11.02"-----130cm/51.18"-----------25-30kg/66.98-80.38lb YXL-----58cm/22.83"-------30cm/11.81"-----140cm/55.11"-----------30-35kg/80.38-89.75lb Feature: 【Anti-collision Block Design】Support each other to effectively slow down and disperse the impact, and maintain the flexibility of movement. 【High-quality Elastic Waistband】 Elastic elastic, not tight waist is not easy to loose. 【Soft and Elastic Fabric】The use of sports fabric, soft and elastic not easy to deform. 【Rear Anti-collision Block】Back anti-collision block to reduce the impact of falling on the buttocks. 【Firm Sewing】Four stitches and six lines sewing process, the margin is more firm and not easy to drop. Package Included: 1*a pair of crash-proof capri pants for children