Description Noru Izu Boots Durable and abrasion resistant synthetic leather construction Dual density molded and contoured ankle protectors Streamlined design features for comfort and low weight Ergonomically angled hook and loop adjustment strap Ergonomic TPU (Thermoplastic Rubber) shifter guard Easy entry adjustable hook and loop closure with YKK zipper External high modulus TPU heel counter Slip resistant sole with added arch support and heel coverage Internal toe box protection Internal breathable mesh lining provides cooling comfort Removable and replaceable insole Replaceable toe slider Impact and abrasion tested CE Level 2 certified to EN 13634 2 year manufacturer's workmanship and materials warranty