Keen Revel IV Mid Polar Men's Winter Hiking Boots - Size 43 (US 10) - Black/Magnet

When winter trails turn icy and the temperature plummets, the Keen Revel IV Mid Polar keeps your feet warm, dry, and sure-footed. Built for men who refuse to let snow and cold cut their hikes short, this mid-cut boot pairs a waterproof leather-and-mesh upper with 200g of recycled insulation, rated to -32°C. The KEEN.POLAR outsole bites into packed snow and slush with 5mm multi-directional lugs, while the thermal heat shield footbed reflects warmth back to your foot. From dawn patrols in the backcountry to shoveling the driveway, this boot delivers dependable winter traction and comfort.

Key specifications

• Waterproof KEEN.DRY breathable membrane keeps feet dry in wet snow and slush
• 200g KEEN.WARM recycled PET insulation rated to -32°C / -25°F
• Waterproof leather and performance mesh upper with KEEN.PROTECT rubber toe cap
• Dual-density compression-molded EVA midsole for cushioning and support
• KEEN.POLAR traction outsole with 5mm multi-directional lugs for grip on snow and ice
• Thermal heat shield footbed retains warmth and provides underfoot comfort
• Lace-up closure with speed hooks for a secure, adjustable fit
• Original Fit offers generous forefoot space for natural toe splay
• Eco Anti-Odor, PFC-free water repellent, and LWG-certified leather
• Men's size 43 (EU) / 10 (US), colour: Black/Magnet

Why choose it

Winter hiking demands footwear that won't quit when the mercury drops. The Revel IV Mid Polar delivers serious cold-weather performance without the bulk: the KEEN.DRY membrane blocks external moisture while allowing sweat to escape, and the 200g insulation traps heat efficiently. The KEEN.POLAR outsole's aggressive lugs provide reliable traction on slippery surfaces, reducing the risk of slips. Plus, the thermal footbed adds an extra layer of warmth right where you need it most.

Ideal use cases

• Winter hiking and snowshoeing on packed trails
• Cold-weather commuting and urban wear
• Snow shoveling and outdoor chores in freezing conditions
• Backcountry excursions in sub-zero temperatures

Good to know

The Revel IV Mid Polar is built with sustainability in mind: the insulation is made from recycled PET bottles, the leather is LWG-certified, and the water repellent is PFC-free. The Original Fit provides a roomy toe box, allowing your toes to splay naturally for all-day comfort. Available in men's size 43 (EU) / 10 (US) in a versatile Black/Magnet colourway.