KEEN WOMEN'S CIRCADIA MID POLARTEC

Whatever winter hiking looks like for you, warmth, comfort, protection, and traction are non-negotiable “must-haves.” So we built an insulated, waterproof, grippy hiker that checks all the boxes. All hike. No compromises.  • Warm and Dry: 200g of KEEN.WARM insulation rated to -25°F and a KEEN.DRY waterproof, breathable membrane keep your feet toasty and dry. • Better Leather: Environmentally preferred leather upper is lighter on the planet. • Lightweight Cushioning: KEEN LuftCore technology embeds a lightweight foam core inside the midsole to absorb shock for comfort that lasts all day. Features LuftCore technology embeds a lightweight, air-injected core into higher-density foam for enhanced midsole cushioning 5mm multi-directional lugs for traction 200g of KEEN.WARM insulation rated to -25°F/-32°C Notch in back for Achilles comfort Speed-lace webbing system with top collar hooks for comfortably snug fit Heel-capture system for added stability KEEN.DRY waterproof, breathable membrane Eco Anti-Odor for natural odor control Environmentally preferred premium leather from LWG-certified tannery Infused with non-toxic vanilla fragrance during high-temp KEEN.FUSION bonding process Material Waterproof leather and performance mesh upper Higher-traction KEEN.FUSION rubber outsole Quick-dry lining for active use 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.