KEEN Utility PTC Slip On 2 Non-Safety Toe Work Shoes – Mens. Conquer your workday in style with KEEN Utility PTC Slip-On II mens soft toe work shoes. Made for light duty, the PTC Slip-On II features a casual slip-on design and elastic gore panels for effortless on and off. KEEN.Cush footbeds use recycled polyurethane, cork and memory foam to deliver contoured cushioning. KEEN.Grip oil- and slip-resistant non-marking rubber outsoles keep you sure-footed on slick surfaces.