Rated to -40ºF it's among the warmest from The North Face and it's completely waterproof too.

Warm and lightweight 400-gram PrimaLoft® insulation gives The North Face Greenland Zip boot an astounding -40ºF (-40ºC) rating making it your best choice on the coldest winter days. Unlike conventional lace-up cold weather boots The North Face Greenland Zip boot has a locking medial zipper so you can slip your feet in and out without wasting time threading laces through complicated hardware or untying frozen knots. The waterproof Nubuck leather is ideal for navigating deep slushy parking lot slop while the Australian shearling sheepskin collar adds a touch of classic style. Whether you're looking for an urban winter boot or you're seeking a refined design for apres ski The North Face Greenland Zip boot is always a cozy step in the right direction.