Virtually Seamless™ toe 4 Degree® elite fit Indestructawool technology 3.75 overall mini height Merino wool blend fabric Fitted with a 4 Degree™ elite fit system, these versatile SmartWool PhD Outdoor Light Mini socks are perfect for any sporting activity, offering great stretch and recovery to keep the sock in place. Crafted from a super-soft merino wool mix, they feature a flat knit with durable Indestructawool technology and a Virtually Seamless toe for improved comfort. Sizing: M - 5-7.5 UK L - 8-10.5 UK XL - 11-13.5 UK