80% Cotton, 15% Polyester, 5% Spandex -Machine Wash or Hand Wash - Imported - Shoe Sizes: Men (M: 6-8 L: 8-12 XL: 12-15) Women (M: 6-10 L: 10-13) - DRY - TEC: Moisture control keeps feet dry and comfortable - Reinforced heel and toe for long lasting durability. -Cushioning technology for feet comfort. -Seamless for toe comfort. - Proper compression band designed in arch fits the individual shape of your foot, hugs your foot evenly to keep the sock in position in your shoe. - Best Customer Service: Order now and find the different on your feet. you will be 100% satisfied with our socks! If you have any problem in size, or if you have any quality problem, please contact us, we will send a replacement to you or we will refund you. We only want to give you the best service!