The Columbia(R) Bora Bora(TM) Booney II has everything you're looking for in a hat. It offers UPF 50 sun protection and the wide brim design shields your face and neck from the sun's harmful rays. The Omni-Wick(TM) band keeps you cool and dry on hot summer days. Experience a customized fit with an adjustable toggle at the back and an adjustable chin strap. Enhance your performance with Columbia's PFG line. FEATURES: Part of Columbia's(R) Performance Fishing Gear (PFG) collection Omni-Shade(TM) UPF 50 sun protection Omni-Wick(TM) sweatband and mesh Adjustable chin strap Adjustable drawcord and toggle at back Fabric - Shell: 100% textured nylon poplin Fabric - Lining: 100% polyester