The O'Neill Hybrid Snapback is made from Hyperfreak Stretch fabric so it's super lightweight. It also wicks moisture and features a performance sweatband to help you stay cool. Adjustable Snapback Closure, 5-Panel Design, Low-Profile, Unstructured, Hyperfreak Stretch Fabric, Interior Performance Sweatband, 88% Polyester, 10% Cotton, 2% Elastane, Warranty: One Year, Material: Cotton/Synthetic Blend, Lined: No, Type: Baseball Cap, Model Year: 2020, Product ID: 602372, Shipping Restriction: This item is not available for shipment outside of the United States., Model Number: SP0196005 ARM 1SZ, GTIN: 0883986170437