Sunday Afternoons® Women's Ultra Adventure Hat is updated with a slimmer silhouette and fun technical details like their Clamshell Brim™ and Sunglass Lock™, but still retains the sun protection, ventilation, and moisture management of their iconic Adventure Hat. Water and stain resistant Nylon and Polyester Dobby fabric UPF 50+ Sun Rating 3¼" Reverse Clamshell™ Brim and 6" Neck Cape UPF 50+ Crown Ventilation Sunglass Lock™ keeps glasses in place Wicking sweatband Adjustable sizing Recommended care: hand wash cold, do not bleach, line dry, do not iron, do not dry clean Packing instructions: brim folds and packs flat for travel Imported Size Chart: Small/Medium fits 21" - 23" Large/XL fits 23" - 25" Product Features: Fabric:88% Nylon, 12% Polyester Dobby Weight:2.6 oz. (73.7 g) Sunday Afternoons Women's Ultra Adventure Hat