86.1% Cotton, 12.2%Nylon, 1.7%Spandex ??COMFORTABLE: They are made of 86.1% premium cotton blend without any thrum, which are very soft, smooth and can anti cushion for your sole, as well as anti blister. A perfect for long walk, trekking, backpacking, travelling without any pressures for you foot. ??BREATHABLE & WARM: They have breathable and padded design, which can wick away sweat and quick dry to keep you feet stay dry, skipping and fresh while hiking in summer, or keep you warm in winter. ??SUPPORT & PROTECTIVE: Their thick elastic arch binding design can protect your arch, ankle and heels. Suitable for hiking shoes and boot. ??DURABLE??No worry about wearout holes and no elasticity because of their reinforced cushioning and sewing. ??AFTERSALE GUARANTEE: Email us if the item is defective., and immediate after-sales service will be provided.