polyester-blend Made to last! Our boot laces are reinforced with two inner nylon cords (the same cords originally used in parachutes) and an outer polyester weave. This makes them extra durable while also allowing for a strong knot that stays tied Perfect for boots, work boots & hiking shoes, they also work great for other shoes when you just want extra strong and & sturdy laces 3/16” thick, choose from four lengths to fit your shoes (54", 72")
