Kg's Boot Guard KG-XTREME Kevlar Heavy Duty Boot Laces Made in USA Some heavy duty laces for those heavy duty boots Kg's Boot Guard goes to the extreme with tough 100% Kevlar and nylon Laces are braided for extra durability Features special wax and flame resistant coatings Make the perfect gift for any welder, machinist, firefighter, construction worker or anyone who needs extra tough laces