Turtle Fur Trail Cap, Lightweight Cotton Adjustable Ball Cap, Rosebud Size: Adult, One Size fits most. Also fits Juniors and Teens 55% Cotton/45% Linen Outer UPF 50+ Sun Protection - Blocks 97% of UV Rays 100% Cotton Patterned Fabric Lining, Adjustable Back Perfect for beachgoing, hiking, travel and other outdoor activities.