Features: - 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. - Crew: A classic sock height that hits the mid-point of your lower leg. - Medium Cushioning: Moderate cushioning throughout the sock for a secure fit with enhanced impact protection. - Nylon Blend: 93% polyester, 4% nylon, 3% elastane.