Kamik Greenbay 4 Women'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.

* Waterproof duration 600 nylon upper

* Lace lock snow collar

* Midfoot adjustable Velcro strap

* Moisture wicking lining

* Removable and recycled 8mm thermal guard liner

* Waterproof and flexible synthetic rubber shell

* Kamik's Plus synthetic rubber winter tread outsole

* Comfort temperature rating -40F/-40C

* Shaft height 12"

* Stock number NK2199