Amazon.com | KEEN Men。These rugged, low-profile shoes are designed for versatility, featuring a waterproof leather upper and a durable rubber outsole with aggressive traction for various terrains. Features a Waterproof Protection: Built with a Keen Dry waterproof membrane to keep feet dry in wet conditions.Insulation: Typically includes 200g of Keenwarm insulation, making them suitable for temperatures as low as -4°F. Ease of Use: Slip-on design with elastic gore for a secure yet convenient fit. Comfort: Features a dual-density compression-molded EVA midsole for shock absorption and stability.