• AER Splash™ water repellent technology keeps your hat from getting water logged. The water beads up and runs right off the hat, almost like magic!
• HyperPoly ™ fabric for heightened sweat stain prevention (no white sweat lines)
• Hidden AER Run Pocket! Store a key or fuel right inside your hat
• Ultra lightweight; light as a feather fabric
• Extreme sweat wicking material to take on your toughest runs/adventures
• Maximum durability for longer lasting colors (stays fresh as the day you got it!)
• Low maintenance care. Wear, sweat, hand rinse cold (only), REPEAT! No washing machine required to stay fresh!