10% spandex CLASSIC SOCK – Our most popular Classic socks feature off-beat, original designs that appeal to a broad range of athletes, from professionals to weekend warriors to multi-sport enthusiasts who like to have unique socks to match their personality and attitude. SPORTY AND STYLISH – Put a pair on today and your feet will be happy and look fantastic! Like our entire line of performance socks, all of our crew socks are purpose-built and functionally fashionable. We also feature a double stitched heel & toe for added strength and durability. COMFORTABLE – Our socks features superior softness and comfort to help eliminate blisters and hot spots. PERFECT FIT – Stretch-to-Fit sizing system and our exclusive Easy-fit cuff for a perfect fit every time on any foot. PRODUCT MATERIALS – 75% moisture wicking micro denier acrylic, 15% nylon, 10% spandex. Mesh upper above your foot allows maximum ventilation and breathability.