A performance work sock featuring odor guard treatment to kill odor causing bacteria, with a mid-weight long wearing fully cushioned sole, it has a stay put leg and low profile toe closureThis is the perfect long-wearing work sock with a hardworking stay-up leg. Features include Odor Guard Antimicrobial treatment, cushioned foot for comfort and a mooth looped toe seam. Shoe size Mens 6-9 is Medium, Shoe Size Mens 9-12 is a LARGE, Shoe Size Mens 12-15 is X-LARGE.