Keen Men's Revel IV Mid Polar Winter Boots (1029411) Size:10.5 this men’s base layer crew

this men’s base layer crew is designed with colorblock patterning for a distinctive look

Rib knit cuff finishing for bulk-free fit

FLX Foam™ midsole has a light springy feel that cushions each step

Aerotherm™ Aerogel technology makes them warm to -40°F / -40°C

She’s low maintenance and quick to grow

Keen Men's Revel IV Mid Polar Winter Boots (1029411) Size:10.5 this men’s base layer crewThe agility of a light hiker with the warmth of a down jacket. With 200g of insulation, heat trapping materials underfoot, and exceptional grip on snow and ice. Style Number1029411 Weight24. 27oz 688g Shaft Height4. 53in 115mm Heel Height2. 17in 55mm Heel to Toe Drop0. 39in 10mm Features Original Fit has generous space across the forefoot for toes to splay Heat Trapolator technology: Three layers of heat trapping materials underfoot 200g of KEEN. WARM