The Swiftwick MAXUS Zero Tab Sock is designed for ultimate comfort with a new micro tab that prevents contact with the back of the shoe, offering maximum protection from blisters. MAXUS™ technology delivers noticeable compression performance benefits within a relaxed, comfortable fit. The plush footbed is constructed using high-volume fibers that wick moisture 40% better than competitive materials. It features a thin, lightweight upper to enhance breathability, making it ideal for fitness, running, and golf. Enjoy maximum cushion, relaxed compression, and a breathable upper. Made with 52% Polyester, 44% Nylon, and 4% Spandex.