Unbreakable Boot Laces ship_sb high density polyester in a

high density polyester in a 24-strand weave

the polyester jacket keeps

knots tied all day

you can get them untied at -40

15x stronger than steel

Unbreakable Boot Laces ship_sb high density polyester in aThe toughest laces out there. How? A polymer from a Nobel Prize winning scientist. Theyre lighter than cotton or polyester, and 15x stronger than steel, way stronger than Kevlar. What are they made out of? The same material as the US army's new bulletproof helmets. the polyester jacket keeps knots tied all day, no matter what. They're waterproof so they can't freeze, you can get them untied at 40. Plus they won't rot if you put your boots away soaking