Material: 80%Cotton+17%Polyester+3%Spandex | Crafts:200 Needles High Knitting Technology.3 Silicone Strips at Heel. Don’t slide off. | Made of breathable material with premium cotton, keeps your feet dry. Moisture management, Cushioned foot, Comfort toe seam. | Easy to wash - machine wash or hand wash,do not bleach | Attention:Fit shoe size US Women Size 9-15, Men Size:6-10

No Show Invisible: Easy to match different kinds of shoes, such as sneakers, oxford, running shoes, casual shoes, training shoes, athletic sports shoes, and business shoes., not for very low cut shoes. | Four Size: S: US Women Size 5-8.5, Men Size 3-4 / M: US Women Size 9-12, Men Size 5-7 / L: US Women Size 12-14, Men Size 7-9/ XL: US Women Size 14-15, Men Size 10-12. Attention:For women size in 8.5-9, choose size M for wide feet and S for thin feet | Best Gift choice: No show socks for women and men. It's a great gift for mother, teacher, wife, daughter, sister and friends. | Easy to wash: machine wash or hand wash, do not bleach | Breathble: Made of breathable material, keeps your feet dry. Moisture management, Cushioned foot, Comfort toe seam. | Occasions: Suitable for Running/Athletic/Casual shoes. Outdoor and Indoor.