The Typhoon Men's rash vest can be used for all kinds of water sports, offers superior comfort due to their flat-seam fabrication and 4-way stretch fabric. Made with quick-drying fabrics that are fully breathable, allowing heat and moisture to escape. The undershirt also offers UPF50+ sun protection to help provide total protection against the sun's harmful rays. The rash vest is designed to be worn alone or as part of layered clothing.FEATURES- UPF 50+ sun protection- Flat seams- Fast drying- 4-way stretch fabric