Crocs Unisex-Adult Classic Clogs Size Size US 11 SLATE GREY Activity: Everyday Material: Man-made Materials Gender: Unisex Loose fit ensures all-day comfort Ventilation ports increase airflow to keep feet cool and dry 100% Croslite thermoplastic uppers, footbeds, and outsoles for durability Straps can be worn either behind the foot or on top of the clogs to help keep them securely in place