COOLOMG Pad Crash Proof Antislip Basketball Leg Knee Short Sleeve Protector Gear (1 Piece) Package Included:1 Piece NOT ONE PAIR,Thanks for the suggestion and support from all our COOLOMG customers.According to the former data we have updated the size chart on 3/26/2018.Hope to bring you excellent expreience. Material:Lycra,EVA foam,Superior high density protective foam to take the abuses and prevents the impact.Easy to use,non-slip,super elastic,breathable&machine washable High Quality Soft & Elastic Polyester Fabric,Nice workmanship. EVA Pads Protector.Mix resin to reduce tear;UV protection over 98%. Size:XS XS S M L XL Perfect for sports like:Volleyball,Wrestling,Dodgeball,Paintball,Softball,Tactical,Hockey,Snowboard,Weightlifting,Workout,Cross-fit,Football,Skating,Football,Kickboxing,Martial Art,Jujitsu,Hunting Coolomg Care Plan: 100% Lifetime Guarantee Warranty; No Reason Refund; No Reason Resend. (Whoever you or your kids, whatever teared or ripped, just send pictures to us, Coolomg would be free to send same item to you.)