MELIN TRENCHES ICON HYDRO - COLOR: KELLY GREEN - SIZE: SMALL - NWT Melin Trenches Icon 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. Trenches Shape This is a complementary shape for wider faces and people who generally enjoy a deeper fitting or modified flat bill. The horizontal front seam makes for a very comfortable hat and naturally follows the shape of the human head.