Kg-Xtreme Kevlar Laces are a Kevlar/Nylon lace that are braided together, wax coated and then tipped with a flame resistant material to form a virtually unbreakable lace. These laces are fire resistant which makes them great for welders and are also resistant to manure, acids and other harsh chemicals. | KG Boot Guard Xtreme Kevlar Lace in Black | Size 63"