Wigwam Cool-Lite Pro Men's and Women's Cushioned Crew Socks Acrylic Coolmax fibers in sole of sock draw moisture away from foot Moisture absorbing X20 acrylic fibers in instep and leg absorb moisture and channel it away from foot bottom, resulting in feet which are dry, comfortable and free from irritation caused by moisture and friction Ultra-smooth Lin-Toe closure provides a seam-free interior to reduce irritation to feet; Half cushioned sole with ring toe cushions and absorbs shock caused by walking Helps relieve Blisters, Foot Odor, Foot Perspiration, Hyperhidrosis 50% Coolmax polyester, 20% stretch nylon, 20% X20 acrylic, 10% spandex; Made in USA