MATERIAL: MEIKAN Low Cut Running Socks are made from 97% polyester and 3% spandex – a durable and high stretch fabric that will also not shrink o fade in the wash.slip-on closureSIZE: Small fits US Women Shoe Size 4.5-7.5; Medium fits US Men Shoe Size 6-9/ Women Size 8-11.5; Large fits US Men Shoe Size 9.5-13. Each package includes 1 pair or 6 pairs of MEIKAN No Show Running Socks.QUICK-DRYING: Dry-cool yarn ensures quick drying. The socks fit better with middle profile shoes or summer sports shoes. It??s perfect for SUMMER sports like outing, camping, hiking, running, or tennis; and also ideal to wear as Regular No Show Socks with middle profile shoes in Spring, Summer and Fall.ARCH SUPPORT & ANTI-BLISTER: There’s even an elastic arch support to further minimize friction and provide a fantastic sense of stability and control in your stride. The heel tab protects your Achilles?? tendon from injury due to shoe friction.YOUR SPORTS PARTNER – Our Sports Socks are applicable to casual home daily wear and also perfect for outdoor activities such as Hiking, Cycling, Walking, Running, Jogging, Baseball, Tennis, Volleyball, etc. You can wear them when you stay at home and exercise. The low cut socks are good matching for all of your favorite athletic shoes, running shoes, casual shoes and hiking shoes, Jogging shoes,loafers, sneakers and more. Add in Cart Now.SUPERIOR CUSTOMER SERVICE: If you are not satisfied with our Unisex Running Socks, or encounter any problem during the purchase, just contact us via email at anytime for a hassle-free refund or replacement. We will get back to you within 24 HOURS and try our best to deliver a timely solution!