This is it—the most recognizable sun hat on the planet! You may not see it on a Parisian runway, but you’ve seen this Sunday Afternoons original on adventurers everywhere who know how to have a good time in the elements without losing their cool. Every inch of this hat is engineered for FUNctional sun protection: smart fabrics, customizable sizing, patented details, and a sun-conscious design. Wherever your adventures take you—trekking, running rapids, or a date with some salted caramel ice cream on a sunny patio—the Adventure Hat has you covered. 4" Brim and 7½" Neck Cape UPF 50+ Certified Breathable Sun Rating (mesh vents not rated) Strategic Crown Ventilation Water And Stain Resistant Floats in Water Wicking Sweatband Adjustable Sizing Weight: 3.0 ounces/85.0 grams #upf50hats Fabric content: Main Fabric: 100% Nylon, Crown Mesh: 100% Polyester Washing and care instructions: Hand wash cold, line dry. Do not bleach, iron, or dry clean. Packing Instructions: Packs flat, do not fold or crease brim .. SIZE GUIDE