82% Polyester,10% Spandex and 8% nylon SIZE & PACKAGE – One size suits for US Mens shoe size 6-12. Shipped by FBA. Package Includes: 6 Pairs Socks(Grey*6 pairs). HIGH QUALITY MATERIAL – Made of premium cushioned polyester that absorbs sweat to keep feet comfortable and provide much-needed breathability during all-season wear. HALF CUSHIONED SOLE – Get the ultimate combination of softness and strength in our work crew socks. Max Cushioning place in areas of high impact to reduce sock and foot pain during sports or daily activity. REINFORCED HEELS & TOES – Reinforcement in heel and toe provide durability in high stress areas to dramatically in improve product life. These socks will last as long as your work shoes or boots. RIGHT THICKNESS CREW SOCKS FOR ALL SEASONS – These comfortable athletic performance socks are made of high good quality, also have the right thickness for all seasons? sports or daily activity.