COOLOMG (Pair Basketball Knee Pads for Kids Youth Adult Nebula Galaxy Long Leg Knee Sleeves Protector Gear EVA NASA Digital Camo XXS-XL Package Included:Pair (2PCS).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:High Quality Soft & Elastic Polyester Fabric,Nice workmanship. EVA Pads Protector.Mix resin to reduce tear; Size: XXS XS S (FOR KIDS) M L XL (Please check Size in Picture) Fit tensile strength for basketball,baseball,football,outdoor & indoor etc. UV protection over 98%. 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.)