With R-ACTIVE technology and rated UPF 35, this cap is built to wick sweat away, making it a go-to accessory for your active adventure. Stay cool, comfortable, and protected with our most lightweight performance fabric. SHAPE Casual StructuredFABRIC Lightweight Performance PolyesterVISOR PrecurvedSWEATBAND StayDri Performance FIT & SIZE - Adjustable Hook-and-Loop Backstrap, One Size Fits Most