This boot features a TechLite EVA midsole for cushioning and impact absorption, Omni-Grip rubber outsole with lug patterns for all-terrain traction, and Omni-Heat thermal-reflective breathable lining with silver dots that reflect body heat for warmth. It has Omni-Tech waterproof-breathable protection to keep feet dry. The upper is made of Cordura and the design is PFAS-free, using a DWR finish for water repellency.