ABOUT OUR COMPANY: COOAVN is a company which specializes in manufacturing men's socks with the combination of high quality and fashion. COOVAN has been adhering to the concept of high integrity management, quality first. And we try our best to produce the popular products, you give us one chance, we offer you the excellent products. FEATURES: --Fashion Low Cut Socks for All Seasons.. -Breathable mesh: Keep your feet cool and dry. -Cushion Design: Extra padding for great comfort. -Reinforced Heel and Toe: Long Lasting Durability. -Moisture Wicking: Performance Socks With Moisture Wicking Technology. Specification: -Package: Includes 6 Pairs Socks(Black*6 pairs). -One size fits most: Suit for US Men's Sock size10-13/shoe size 7-12. -Fabric: polyester, spandex. Washing Instruction: -Machine Wash & Hand Wash(suggest using wash bag). -Don't iron. Don't bleach. Don't soak socks in hot water or suds for a long time. -Suggest washing in cold water, these socks will stretch back from the slight shrinkage. If you have any problem on your item, Please Contact us via Email in advance of claim on Amazon, Then we will provide you with reasonable solution quickly to solve your problem.