The Keen Men’s Jasper Zionic Sneaker in Dark Olive/Birch offers a contoured fit that follows the natural shape of your foot for a secure, comfortable feel. Featuring tongue-to-toe lacing for a precise fit, it includes a removable resilient foam insole with arch support for long-lasting cushioning, a stability shank for lightweight support, and a higher-traction rubber outsole with 4mm multi-directional lugs for reliable grip. Crafted with premium leather from an LWG-certified tannery, a breathable mesh lining, eco anti-odor technology, and a non-marking outsole, this sneaker delivers durability, stability, and environmentally conscious performance for everyday and outdoor wear.