SUGOi Apparel Size Chart Robust warmth to keep your toes warm during winter rides, with fast wicking merino wool for comfort and great support. The SUGOi Wool Crew socks are made from a stretch merino wool blend, with a reinforced heel and toe for durability. Their 7" height adds extra warmth and coverage. Features: - Merino Wool Spandex blend for warmth, elasticity and exceptional durability - Moisture wicking characteristics to keep you dry and cool - Reinforced toe and heel for durability - 7" sock height for added protection