Lightweight, breathable, and built to keep up. The melin Eagle VO2 Hydro is designed for long days and active pursuits, featuring a performance-driven construction with 4-way stretch, a breathable Honeycomb Visor, moisture-wicking technology, and stitchless bonded seams for a comfortable, streamlined fit. Finished with an adaptive backstrap and made to move with you, it’s a refined performance hat for everything from early morning miles to days spent outside.