The Wigwam Cool-Lite Pro Quarter Crew Socks are the perfect all-around, warm-weather, wool-free socks. The durable construction makes the Cool-Lite ideal for nearly every activity — we've heard positive reviews from everyone, from soldiers to casual walkers. Wigwam's Pro system is designed to really keep your feet dry and blister-free by lifting moisture out of the foot of the sock. X2O Acrylic fibers contain Chitosan, a natural odor-fighter that keeps your socks odor-free. The Cool-Lite Pro also contains Dri-release fabric, a synthetic fiber that drys extremely fast. All these features combine to create a sock that's perfect for everyday, warm-weather wear. The Cool-Lite Pro is also available in a full Crew cut and is formerly known as the Ultimax Cool-Lite.