The Tubular Casting Socks are made from polyester and Lycra and impregnated with a water curable polyurethane resin. The two lengths (17 and 30) are provided in various widths to cover the broad range of applications for custom shoes, AFOs, residual limbs, upper extremity splinting, etc.. SIZE SMALL (W: 4 - 5 1/2), SIZE MEDIUM (W: 6 - 10 1/2, M: 6 - 9 1/2), SIZE LARGE (W: 11 - 12, M: 10 - 11 1/2)