melin Hydro Odysea Stacked Hat: The Hydro Odysea Stacked Hat delivers a more relaxed fit with the same premium performance melin is known for. Designed for long days outside, it balances comfort and durability with a softer profile that feels broken-in from the start. Whether you're recovering after a run, traveling, or just keeping it casual, this hat adapts easily while still holding up to sweat and changing conditions.