Boots M Revel IV Polar Winter

The agility of a light hiker with the warmth of a down jacket. We built these men's winter boots with active, frigid days in mind. With 200g of insulation, heat-trapping materials underfoot, and exceptional grip on snow and ice.

Features
Non-marking multi-directional lugs for increased traction
5mm multi-directional lugs for traction
Stability shank delivers lightweight support
KEEN.WARM Recycled PET insulation rated to -25°F/-32°C
200g of KEEN.WARM insulation
KEEN.DRY waterproof, breathable membrane
Eco Anti-Odor for natural odor control
Environmentally preferred premium leather from LWG-certified tannery

Material
Waterproof leather and performance mesh upper
KEEN.Polar Traction outsole for more grip on snow and ice
Compression-molded EVA midsole for cushioning
Breathable textile lining
Thermal Heat Shield insole captures warmth

Technologies
KEEN.DRY
A proprietary waterproof, breathable membrane that lets vapor out without letting water in.
KEEN.WARM
Our signature insulation is extremely compressible and light for the foot warmth it provides, and it retains its insulating ability, even when damp.

WinterLab-tested traction

Tested for grip on icy surfaces, even on an incline. Microscopic shards in our KEEN.POLAR TRACTION rubber dig into frigid terrain.


200g of KEEN.WARM Recycled P.E.T. insulation

Stay warm with 200g of insulation rated to -25ºF plus three layers of heat-trapping materials underfoot.


Waterproof protection

KEEN.DRY waterproof, breathable membrane keeps out water without making your feet overheat.