Unbreakable Boot Laces by Adventure Andy

Built for the jobsite and the trail, Adventure Andy Unbreakable Boot Laces are braided from 12 strands of UHMWPE (ultra-high molecular weight polyethylene), the same fiber used in modern combat helmets. Pound for pound they're about 15 times stronger than steel and tougher than Kevlar, yet lighter than cotton. A waxed polyester outer jacket grips your knot so it stays tied all day. Over 1,100 lb breaking strength Waterproof, so they won't freeze stiff in the cold and won't rot or mildew if your boots get put away wet Resists oils, solvents, acids and alkalis found on the job Sold by the pair Size guide 54 in (137 cm): 5 to 6 eyelets, such as low-cut hikers and 6 inch boots 63 in (160 cm): 7 to 8 eyelets, such as most 6 to 8 inch work boots and men's hikers 72 in (180 cm): 9 to 10 eyelets, such as 8 to 10 inch work boots and ironworker boots