Amazon.com | KEEN Men。Keen Mens Size 11.5 Whyser Navy Blue Sky Captain Slip On Lightweight Shoes DETAILS: Shoe Size: Men US 11.5 / UK 10.5 / Euro 45 Shoe Closure: Slip On Color: Sky Captain / Racing Red Product Code: 1031490 CONDITION: New with Box (100% Authentic) PLEASE NOTE: Original box may show signs of wear. DESCRIPTION: Versatile slip-on shoes crafted with recycled materials, offering lightweight comfort and durable soles for indoor and outdoor use. • Slip-on design with pull tabs for easy wear • Durable rubber soles for traction • Padded upper for enhanced comfort • Made from recycled plastic bottles • Lightweight and breathable construction