These sneakers are the Columbia Okolona men’s techlite fishing and water shoes. They’re marked as a men’s 8. Per manufacturer… - Combination mesh and synthetic upper - Bootie construction for sock-like fit - Speed lacing system - Vent midsole ports for draining water - Techlite™ midsole, superior cushion, high energy return - Omni-Grip™ non-marking traction rubber outsole