- Goodyear Patented Flex-Welt™ Construction
- Waterproof/Breathable GORE-TEX® Bootie
- Water-Resisant, Breathable Full Grain Leather
- Cambrelle® Breathable Moisture Wicking Lining
- Defender™ Inherently Flame Resistant High Performance Fabric
- Removable DRYZ® Moisture/Odor Control Shock Absorbing Cushioned Insert
- Fiberglass Shank
- Patented PGD Shock Absorbing Polyurethane Midsole
- Vibram® Flame Resistant Sierra Outsole
