Sure, the sun is good for plants and things, but it really isnAAAt that great for your skin. The Sunday Morning Field Hat blocks harmful UV radiation so your face stays safe. Lightweight Sun fabric is comfortable, and the mesh sides let fresh air in so even on the hottest days, your head will feel good. Product FeaturesMaterial: meshAdjustability: flexfitSPF Rating: UPF Rating: 50Recommended Use: hiking, campingManufacturer Warranty: lifetime