Our Odyssey Stacked HYDRO was engineered with a hydrophobic technology on the crown panels designed to bead away water and prevent absorption. Constructed with durable materials the hats are water repellant, floatable, and breathable. Fit and Design: Lightweight and durable Curved brim Medium brim width Snapback closure Signature hidden interior pocket Technology: Performance moisture-wicking lining inside the front panels Antimicrobial Additional Details: Care instructions: spot clean with soap & a damp white cloth; dab from stain edges working from outside in toward the center.