Goodyear Welt Construction. Waterproof/Breathable GORE-TEX Bootie, Water-Resistant, Breathable Full Grain leather, Fabric Upper of 7 oz. Nomex/Kevlar Ripstop. Patented Matterhorn TigerTip. Removable DRYZ Moisture/Odor Control Shock Absorbing Cushioned Insert. Kevlar Upper and Sole Stitching. Cambrelle Breathable Moisture Wicking Lining. Zinc Coated Ladder Shank. Vibram One Piece Lug Fire Resistant Compound. Non-Metallic Safety-Toe and Stainless Steel Bottom Plate and Internal Metatarsal Guard: Meets ASTM F2413 Standard for Protective Footwear.