Argyle-inspired diamond pattern. Extremely hydrophobic, durable and anti-friction fibers eliminate bulk for unprecedented dry, friction-free comfort. Arch band support to fight fatigue. Mesh zones for breathability. Fully cushioned foot bed buffers rough terrain. Reinforced footbed for durability. 53% wool, 31% nylon, 13% nano glide nylon, 3% lycra spandex. Crew height.