FOOTBED: Cushioned energy-return PU

Outsole and midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards

Reduces Swelling

Combined with existing insole systems

Men's Sierra Shock Shield Patriot Steel Toe Work Boot - Distressed Brown 10044426 color:DISTRESSED BROWN FOOTBED: Cushioned energy-return PUNo impact too hard, no shift too long. With Sierra Shock Shield, your feet stay protected, cushioned, and cooleven in the toughest conditions. Durable comfort designed for construction, heat, and heavy work. ASTM F2413 Meets ASTM standards for safety toe footwear ASTM F2413 Meets ASTM standards for electrical hazard resistant footwear ASTM F3445 Meets ASTM safety standards for slip resistance Size & Fit 11" shaft height 1. 5" heel height Wide square