For mountains to rivers and city terrain in between The most outdoor-oriented of Luna Sandals, the Oso Flaco utilizes a Vibram Mega Grip Outsole, making it suitable for mountains and rivers and offers excellent traction on concrete and blacktop. The retro edition reflects uses a single strap to get a secure fit. Whether your adventures take you over mountains, through rivers, or into the heart of the city, the Oso Flaco offers exceptional comfort and durability for your journey. Note on sizing: Refer to the Luna size guide here {LINK} Details: Weight: 7.2 oz (single sandal, men's size 9)Thickness: 7MM base + 4.5MM lugsSole: Waterproof Non-Marking Vibram® Megagrip Outsole + Vibram® MidsoleFootbed: MGT (Monkey Grip Technology) Vegan Friendly
