Size: One size fits all women & men Material: 92% Polyester & 8% Spandex, durable£¬flexible, breathable, soft and for ultimate comfort Multifunction: 1 - Perfect for daily wear, running, walking, cycling, gym fitness, hiking, etc. 2 - High strength durable sport socks, superior design can match with various styles; Long socks keep your feet warm in cold. 3 - It also will be a best gift for your friends, colleagues and family for daily activities. GUARANEE: 60 Days, 100% Satisfaction, Money Back Guarantee.If for any reason you are not 100% completely satisfied with this product, please contact customer service within the first 60 days period after asked. We will immediately refund your purchase price - no questions asked.