Never worn outside, only tried on because I couldn't figure out how to use the tag. GU Flight Cap - Unisex One black and one white flight cap. Adjustable size. - Brand: GU - Colors: Black, White - Size: ONE SIZE (56-59cm) - Material: 100% Polyester - Style: Flight Cap Thank you for viewing. * Items may be compressed for packaging. Please understand that there may be creases from shipping. No stains, tears, odors, pets, or smokers.