About This COMPRESSION -- With proper stitching density, Its particular material composistion of yarns mixed with spandex provides these crew socks proper elasticity and good compression to feet, which can promot blood flow for a more comfortable experience; SUPPORTIVE -- Snug cuff, compression tube, stretchable arch band and cushioned sole provide firm grip and efficient support for shock absorbing, improving your experience during walking or exercises; DURABILITY -- Reinforced stitching at heel and toe, coupled with double stitching along the joint lines, enduring wear and tear from heavy use; BREATHABLE -- Particular stitching construction with the unique moisture-wicking yarns creates anefficient ventilating system, These Bulliant running socks can keep feet dry and comfortable all the day; WASH RESISTANT-- Specially composed yarns provide shape memory and shrinkage-resist from washing, it's hassle-free for both machine and hand wash. Overview Fabric type : 97% Polyester+3%Spandex; Care instructions : Machine Wash Origin : Imported Weave type : Knit