Keen's Daytona Sandal Style Provides Comfort and Style For Every Day Activities and the Not-So-Every-Day Activites Like Hiking, Climbing or Watersports. Features Include Waterproof Nubuk Uppers, Non-Marking Rubber Soles, Natural Latex and Cork Footbeds For Added Comfort and Support As Well As Keen's Aegis Microshield Treated Hydrophobic Mesh Lining To Control Moisture and Odor.