Carhartt women's crew-length boot socks have spandex-reinforced tops to keep socks from falling down. Boot socks have reinforced arches, heels and toes for added durability and long wear. Carhartt Women's Boot Socks are made of 50% acrylic, 31% nylon, 17% merino wool and 2% Lycra® spandex. Crew length. Medium (6 to 8 1/2) size. Carhartt WA142. Specify color from the drop-down menu above.