The Odysea 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. Details Materials: Melin only works with the highest quality and most sustainably sourced materials in the world to craft the Odysea Stacked Hydro. Details: Melin designs every Odysea Stacked Hydro to incorporate problem solving details so you only worry about the adventure ahead. Innovation: Melin relentlessly pursues innovation in design, comfort & performance, ensuring the Odysea Stacked Hydro is the best hat you'll ever own. Features Water Friendly Floatable Lightweight Durable Antimicrobial Breathable Moisture-Wicking Lining Hidden Besom Pocket