The Danner Men's Springfield 4.5IN Boot is a work boot blended with one for the trails. Head to work in comfort and support and it will still hold tough when it comes to protection. Featuring a Danner Dry membrane, it is waterproof and breathable so you can take on the weather without worry of wet feet. This trusty boot Uses a Plyolite; Midsole for lightweight cushion underfoot and a Springfield Outsole for traction. Features of the Danner Men's Springfield 4.5IN Boot Durable, waterproof, oiled nubuck and mesh Upper Danner® Dry waterproof protection Cushioning Ortholite® Insulation Danner® Plyolite™ Midsole Nylon Shank Danner® Springfield Outsole with Flex-X Technology provides stability and traction with minimal weight Electrical hazard protection ASTM F2892-11 EH.