Thorogood Men's 6'' GenFlex Waterproof 400G Safety Boots, Brown Leather, 9 W Leather Upper: Brown waterproof tumbled oiled fullgrain leather Construction: Goodyear storm welt construction with waterproof membrane bootie construction Midsole: EVA cushion with impact 300 gel heel insert Outsole: GEN-flex3 dual-density rubber / EVA outsole Special Features: Composite Safety Plain Toe