Crafted from a moisture-wicking, quick-drying semi-perforated fabric, the Basis boasts an impressive UPF rating of 50+. Its 4-way stretch and performance-oriented fit ensure durability and sun protection, making it suitable for beachside activities as well as epic long session on the water. Features: UPF 50+ protection from the sun’s rays. 4-way stretch quick dry material. Thumb hole sleeve providing stay in place performance. Performance comfort fit.