Built with American ingenuity, the Portland offers revolutionary KEEN.BELLOWS FLEX technology to flex, fold and bend with 3x less torque than other work boots making the reach for those wires, pipes, or joists below the knees easier. Its EH-rated rubber outsole and KEEN.DRY waterproof, breathable membrane provide additional safety in varied work environments while the custom asymmetrical carbon-fiber safety toes and air-infused KEEN Luftcell midsole makes this rugged work boot a light weight, innovative game-changer.

• KEEN.DRY waterproof, breathable membrane
• Heat-resistant rubber outsole rated up to 572°F/300°C
• Assembled in the USA using the finest materials from around the world
• KEEN.FUSION construction fuses the upper to the sole for a longer-lasting bond without glues or solvents
• Contoured heel lock is anatomically shaped to reduce heel slip
• KEEN.BELLOWS FLEX technology adds an engineered flex zone in the forefoot area for up to 3x easier bending, flexing, and knee-down work
• Shank for midfoot support
• Environmentally preferred premium leather from LWG-certified tannery for cleaner water
• PFAS-free, durable water repellent repels water just as well as forever chemicals without harming the planet
• KEEN Luftcell midsole infused with 100,000 microscopic air bubbles per cubic centimeter for all-day comfort
• Oil- and slip-resistant non-marking rubber outsole
• Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear helps provide a secondary source of protection in case of accidental outsole contact with live electrical circuits
• Waterproof leather upper
• Removable metatomical insole for comfort and support
• Locking metal lace hooks
• Metal Hardware
• Leather Thickness: 1.60-1.80mm
• Left and right asymmetrical, non-metallic carbon-fiber toes offer unobtrusive fit and are 15% lighter than steel
• 90° heel (5/8 Height) helps provide secure footing on ladders, scaffolding, or loose, uneven surfaces
• Meets ASTM F3445-21 and F2413-18 M I/75 C/75 EH standards
• Meets ASTM F1677-96 Mark II non-slip testing standards
• Outsole and midsole meets ASTM D471-06 903# oil and isooctane chemical resistance standards