Farm to Feet Socks Size Chart This lightweight sock's topographical design is inspired by the Elkin Valley section of the Mountains-to-Sea Trail. Over the course of six miles the trail drops more than 2,000 feet in elevation as it transitions from the Blue Ridge Mountains to the Piedmont. The Elkin Valley features the same foot construction as our Damascus hiker and is packed with performance features like targeted cushioning zones and a seamless toe closure for all day trail comfort. Features: - Soft, itch-free Merino wool construction - Naturally quick drying and odor resistant - Helps maintain a constant, comfortable temperature for your feet - Nylon plaiting creates a smooth exterior and low-profile fit - Targeted cushioning zones at impact areas, shin, and calf - Full-density cushioning provides better insulation, exceptional moisture wicking properties, and increases impact absorption - Seamless toe closure prevents chafing and reduces bulk - Comfort compression from the cuff to the arch creates a precise, supportive fit - Reinforced construction and low-stress seam placement reduce wear and tear - 55% US Merino Wool, 41% US Nylon, 4% US LYCRA(R) Spandex - Made in the USA with 100% US-sourced materials