Keep your work boots on tight with KG-Xtreme heavy duty boot laces. These 100%Kevlar and heavy duty nylon laces are braided together, wax coated, and thenflame resistant fiber tipped to form. These 100% Kevlar and heavy duty nylonlaces are braided together, wax coated, and then flame resistant fiber tippedto form the toughest lace around! You won't have to be afraid to get theselaces dirty. They are chemical resistance, fire resistant, and virtuallyunbreakable. These tough boot laces make the perfect gift for any welder,machinist, firefighter, construction worker, or anyone else in your life thatwants laces as tough as the boots they trust each day! Most 6-inch work bootsuse 54 inch laces and most 8-inch work boots use the 72 inch laces.