- These Darn Tough® Vermont Coolmax® Micro Crew Cushion Socks are engineered with long lasting performance in mind so you tackle the trail season after season! - Coolmax® fabric moves moisture away from your skin and spreads it over the sock so it can evaporate more easily even in warm weather. - A performance fit that doesn't slip or bench and that's designed to help prevent blisters. - Designed to pull moisture quickly away from your skin and disperse it over a greater area on your sock so that it dries more quickly. - Fine gauge knitting offers incredible durability while keeping a soft and almost invisible feel. - All weather performance keeps you at just the right temperature no matter what season it is. - True Seamless™ toe is fused together for an incredibly smooth feel. - Mid-level cushioning provides added warmth while giving you extra cushioning on the sole so you can stay comfortable. - 37% nylon, 34% Coolmax® polyester, 26% acrylic, 2% Lycra®, 1% other fibers. - Machine wash, tumble dry. - Imported.