Farm to Feet Fayetteville Tactical Socks are a tactical version of their popular Damascus style. Built for law enforcement and armed forces use, these socks have targeted light cushioning in an extended crew length suited for your duty boots. And you still reap the benefits of smooth, itch-free, breathable wear to keep you focused on your mission. 51/45/4 merino wool/nylon/LYCRA spandex with ultra-soft 19.5-micron US merino wool from a 200-needle knitting machine 100% U.S.-grown merino wool is soft, itch-free, and naturally odor/bacteria-resistant Targeted light cushioning absorbs shock to reduce impact stress Full-density cushioning accelerates moisture-wicking and enhances shock absorption Flat, seamless toe closure significantly reduces friction Reinforced construction, low-stress seams increase durability Extended crew height is ready for wear in tactical bootsSizing Details Medium fits Men's shoe size 6-8.5, Women's shoe size 7-9.5 Large fits Men's shoe size 9-11.5, Women's shoe size 10-12.5 Extra Large fit Men's shoe size 12-14.5