Alpha Pac

Ideal for a variety of winter activities, the Alpha Pac offers the weight savings of an EVA midsole and a closer fit for added performance! ; Waterproof PU backed synthetic textile upper. ; Built-in gaiter with barrel lock closure system. ; Shatter-resistant YKK Shokonloc buckle closure. ; Reflective safety graphics. ; Removable 9mm Sorel recycled felt liner features reinforced seams and heel area for exceptional durability; stretch front shaft ensures comfortable fit and seals cold air out and is comprised of 2 layers: -wicking polypropylene pulls moisture away form foot. -insulative blend of polypropylene and recycled polyester traps warm air. ; 9MM felt footbed. ; EVA midsole for enhanced comfort, weight reduction and thermal protection. ; Polar Lite shell for enhanced flexibility in extreme temperatures. ; Traction enhancing multi-directional rubber lug outsole. ; Sorel rated:-60°F/-51.5°C ; 12.00 shaft height. ; 16.00 circumference. ; 31.00 oz. ; Product measurements were taken using size 7. Please note that measurements may vary by size.