Outdoor Research Swift Cap in Blue, One Size. This technical sun hat features a breathable mesh lining and a lightweight nylon shell, making it ideal for hiking, running, and high-exertion outdoor activities. Key features include: - Moisture-wicking TransAction headband - UPF 50+ sun protection on crown - Quick-drying and packable design - Adjustable buckle back closure for a custom fit. Excellent pre-owned condition with no visible wear, stains, or damage. Fabric and structure remain crisp.