Grip Luanna by TAVI Double the straps. Double the fun. Luanna’s double strap elastic lets your feet breathe while keeping your socks secure on your feet. Luanna’s arch band provides comfort and support, so you can plie, jump, stretch, and turn to your heart’s content.A breathable grip sock with double-strap security for unrestricted movement. Non-slip grip soleHygienic alternative to bare feetSupportive arch bandGOTS certified organic cotton Our socks are made with the softest, GOTS certified organic cotton. This international textile production certification is the toughest organic textile standard & includes every step of manufacturing, from ensuring there are no toxic substances to overseeing how employees are treated. 73% Organic Cotton14% Nylon7% Elastane6% PolyesterGrip Sock Care Tips: Flip them inside out before washingUse a gentle, cold water wash settingSkip the fabric softenerLet them air dryTo protect your new socks, please use scissors to carefully cut off the tag.Pulling or tearing the tag may damage the fabric or stitching, so a gentleapproach ensures long-lasting wear Small fits shoe size 6-8 Medium fits shoe size 8.5-10.5