The Avenger 7338 Met Guard boot comes loaded with features, and is part of Avenger's new Rugged Red Line Series. Full-grain crazy horse leather upper, composite safety toe cap, removable PU insole, leather wrapped metatarsal guard. Helcor abrasion leather toe cap for durability, oil-resistant, high-abrasion, high-heat nitrile rubber outsole for durability, goodyear welt construction. Waterproof Membrane Construction. Meets or Exceeds ASTM F2413-11 Impact/Compression, Metatarsal Guard and EH Ratings.