Vintage Murphys Mart Insulated Thermal Tube Socks Cotton Very Bright Red Trim Mens Size 11.5 Great New Old Stock Find, NOS - Perfect for Hunting This listing is for a lot of 2  Insulated Extra Heavy-Absorbent Thermal Socks.  100% Cushioned Cotton Shoe size 8 1/2-9, Sock size 11.5.  Still has original G.C. Murphy co price label.  Still has Murphy's mart stock label.  Red tube trim.