Moisture-managing mesh lining with waterproof membrane wicks away moisture and keeps feet dry and cool for all day comfort Contour welt allows the boots to bend and flex at essential points for maximum performance, enjoy the comfort of athletic shoes with the support and durability of work boots Contour welt allows the boots to bend and flex at essential points for maximum performance, enjoy the comfort of athletic shoes with the support and durability of work boots Multishox comfort system features individual compression pads built in the soles that absorb shock and return energy in every step Advanced comfort polyurethane midsole