Keen® Men's Circadia Mid Polar WTRPRF 200G

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