Farm to Feet Socks Size Chart The ultralight Ithaca everyday sock features a low-bulk fit that works well with your favorite pair of calf-height boots. Its US-made merino wool blend has natural insulating properties to keep your toes just the right temperature in crisp weather, while the tonal multi-stripe pattern adds some fun fall fashion to your wardrobe. 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 - Flat-knit construction creates a smooth, seamless feel, improves ventilation, and reduces bulk - 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 - 61% US Merino Wool, 35% US Nylon, 4% US LYCRA(R) Spandex - Made in the USA with 100% US-sourced materials