Hiking Boot Laces - Mt. Rainier - 48 Inch Dark Blue (1 Pair) 48 inch boot laces - Strong Polypropylene material - Redesigned tips of flexible Polyolfin. National Leash is the sole distributor of this product. Look for the yellow banded trademark This special lace material is specifically manufactured for National Leash Extremely strong with great knot holding power. Great for Casual Shoes Also.