The Sunday Afternoons Charter Hat is a nautically themed sun fedora with high tech details and distinctive appeal. The floatable, certified UPF 50+ breathable nylon hat delivers outstanding sun protection, has top crown ventilation, and an integrated wicking sweatband to keep you cool and dry, and slipstream venting to hold your sunglasses.Certified UPF 50+ breathable nylon sun fabric. Full protection 3.75" bow brim, 3.5" stern brim. Bimini top crown mesh ventilation (mesh vents not UPF rated). 'Anchor Lock' sizing custom fits 95% of adults. Brim and crown shaping wire. Dark under-brim blocks glare. Slipstream venting along exterior headband (also holds sun glasses). Integrated wicking sweatband draws moisture away from your head to keep you cool. Floatable, will not sink if it lands in the water. Stowaway crown pocket. Water/stain resistant. Chinstrap with cord lock. Sizes: M(fits most women), L(fits most men), (see hat sizing chart). Lightweight; 3.6 oz. Import.