Unless it's nighttime, or extremely cloudy, you need a brimmed hat of some kind while fishing, and most anglers opt for a classic ball cap. That's
Simms Fishing Icon Walleye Trucker Hat Carbon Camo Cap Flag
New Simms Walleye Icon Trucker Camel Low Crown O/S OSFM
Simms Walleye Icon Trucker Hat (Woodland Camo Sandbar)
Simms Tagged Hat - LOTWSHQ
Simms Walleye Icone Trucker Hat Natural Sports – Natural Sports - The Fishing Store
Simms Superlight Flats LB Cap
MCFLYSHOP FISH ICON CAP – McFlyshop
Simms, Accessories
Simms Walleye Patch Trucker Hat – Snapback Baseball Cap with Walleye Fish Patch, Camel at Men's Clothing store