Muggy summer days and the Boys's Outdoor Research Swift Tee are a match made in an outdoor lovers heaven. Moisture wicking and extremely breathable, youll be nice If using this tee as coverage from the sun or as a light insulating layer in crisp morning air. On an extended trip, an anti-microbial Complete means you can wear this tee for days without getting stinky and quick-dry fabric makes washing this tee out in a river easy . An easy-access pocket keeps a gel packet or key within reach.