Sierra offers maximum durability for the harshest conditions. The Extreme Durability platform is the best choice for high heat and high abrasion occupations like welding and railroad.

• ATS Technology provides all day stability and comfort
• High heat resistant outsole, and oil-and-slip resisting Duratread™ outsole.
• Wide Square Toe
• Premium full-grain leather upper.
• Six-row stitch pattern.
• Goodyear™ welt construction.
• 90 degree heel.