70% Cotton Lisle, 30% Nylon Blend Supportive over the calf length Reinforced, fine linked toe for seamless comfort and durability. Plain foot bottom for added comfort Mens sock sizing: Medium fits 8.5 -11 foot, Large fits 11.5 - 13 foot Made in England by Pantherella, the premier hosiery and sock brand since 1937 Look and feel your best in these premium quality mens dress socks from Pantherella. World-renowned for classic colors, luxurious yarns, and fine knits, Pantherella has been the premier maker of high quality hosiery since 1937. Each pair of socks is made in England with the world's finest yarns. Pantherella socks represent the ultimate in luxury, comfort and durability.