The FLYWEIGHT™ C312Z CT ultralight quick release composite toe boot is an ideal option for emergency response, maintainer and flight line operations. Built on an athletic strobel-stitch construction to feel like an athletic shoe, the FLYWEIGHT™ C312Z CT also features a reliable YKK zipper and a fiberglass composite safety toe-box for added protection. And weighing in at only 28 ounces per half pair, the FLYWEIGHT™ C312Z CT is one of the lightest safety toe boots on the market.