Kamik Greenbay 4 Men's Winter Boots. The Kamik Greenbay 4 winter boot is a great choice for cold-weather recreation. Constructed with a lightweight yet durable waterproof nylon shell, the Greenbay 4 features a removable Thinsulate foam liner and a lace-lock snow collar designed to keep warmth in and cold out. Rated to -40° Fahrenheit, the boot has a mid-foot adjustable Velcro closure strap to help keep the foot snug and a thick treaded rubber outsole for traction on slippery, icy surfaces.

* Durable 600 nylon upper

* Moisture wicking lining

* Removable 8mm Thermal Guard Liner

* Temperature rated -40F/-40C

* Prime outsole maximizes traction

* Shaft height 14"

* Shaft circumference 19.25"

* Stock number NK0199