100% Waterproof Waterproof nubuck wear resistant leather Meets JAS-ANZ standards Seamless outsole construction prevents outsole separation Flex width - Adjustable dual footbed for the perfect fit Airport friendly metallic free for quick screening Easy entry zipper & press stud closure Bio grip unparalleled grip on dry wet & oily surfaces Chemical resistant protection against caustic chemicals Reinforced heel and toe for durability Custom built graded composite toe for better fit & impact protection Rebound rubber mid sole cushioning.