Offical Store: https://www.amazon.com/mwork 2mm waterproof full grain leather upper with triple sealed seams. Breathable mesh lining with antimicrobial treatment. Scuff resistant PU toe cap for increased wear protection. Lightweight and non-conductive composite toe and puncture-resistant plate. Removable insole made of PU foam to maximize shocks absorption and for a long-lasting comfort. Nylon polycarbonate shank. Dual density outsole made of natural rubber Grip outsole, slip resisting on frosted surfaces and lightweight PU Core. Absorb+ heel, absorbing shock impacts during impact and increasing grip. Padded tongue and collar allowing extra comfort.