3 Things to Know About Buying a Rash Guard

Look for nylon-spandex or polyester-spandex blends These fabrics are hydrophobic, so water slides off instead of soaking in. Avoid cotton or cotton blends, which stay wet and heavy.

Check for a UPF 50+ tag UPF 50+ blocks 98% of UV rays and is tested, not guessed. If it doesn’t say UPF, it’s just a shirt. You don’t need to spend $80—brands like O’Neill, Speedo, and Baleaf make solid ones for $30–50.

Choose a snug fit A loose rash guard lets water and sun sneak in. A snug fit stays in place during activity and dries faster because less air traps moisture.