These trainer liners are designed to hide neatly inside your trainers. These blister resist socks have a clever double layer construction to help prevent blistering. Our technology keeps cotton looking and feeling new and brighter for longer.,Style: Sustainable cotton, Added stretch, Blister resist,Freshfeet technology,Care and composition: Composition: 70% cotton, 27% polyamide and 3% elastane,Inner fabric- 87% polyamide, 9% cotton and 4% elastane, Care instructions: Machine washable, tumble dry