Cotton Blend: 44% nylon, 25% combed cotton, 27% polyester, 4% elastane. Infiknit™ Lifetime Guarantee: Our Infiknit™ technology never rips, never tears. Made for good. But if you’re turbo-gnarly and rip one, we got you. Light Cushioning: These lightweight socks offer a breathable barrier between your foot and shoe with select cushioning.