The Mountain Warehouse Women's Long-Sleeved Rash Guard is crafted with a blend of 82% Nylon and 18% Elastane for durability and comfort. Its flat seams ensure a smooth fit, eliminating any possibility of chafing during extended wear. This rash guard boasts lightweight, quick-drying fabric technology that allows for effortless movement while keeping you protected from the sun with a UPF 50+ rating. The design remains simple and plain, offering a minimalistic aesthetic to complement any outdoor outfit.