85% cotton / 13.5% polyester / 1.5% spandex NON-SLIP SILICONE:Proven by many buyers already on verified reviews-This socks has 5 silicone bands that effectively prevent slip off. THICK CUSHION NO SHOW SOCKS:Cushion can effectively prevent holes in the toe area of socks and close to your feet. LOW ENOUGH – almost completely hidden inside for many shoes like canvas shoes, adidas stan smith, converse, sneakers, vans, nike, skate shoes, all star, peds, keds, spreey, bootie, bombas etc (specific shoes commented by verified purchase). SIZE:Fit women shoe size 6.5-11??men shoe size 6-10?? PACKAGE:5 pairs(10 socks) assorted in Leotruny pack.