Men's Avenger Composite Toe Waterproof Wellington Work Boot. Full-Grain Buffalo Leather Upper. Waterproof Membrane Lining. Meets or Exceeds ASTM 2413-11 Impact/Compression and Electrical Hazard Ratings. Direct Attach Construction. ANSI/ASTM I75 & C75 Approved. Removable EVA Sockliner. Dual Density PU Midsole/Outsole. Highly Slip-Resistant Tread Pattern