ASICS Kayano Classic Quarter Socks 52% NYLON, 37% MICRONYLON, 9% NANOGLIDE NYLON, 2% LYCRA ELASTANE Imported Lace pad cushioning NanoGLIDE yarn knit into heel and toe to protect feet from abrasion and friction and keep feet drier than ever before Articulated arch support band provides improved comfort and fit Anatomically correct left and right foot construction allows targeted high-density cushioning where you need it most "Y" heel gore for improved fit, reducing slippage