The better the shorts, the better your workouts. At least that's what we've found. Which is why Ten Thousand worked with hardworking guys who spend time in and out of the water—including a former Navy SEAL and professional freediver—for their latest pair. The quick-drying training short has a secure pocket system and is resistant to saltwater and chlorine in order to last as long as possible. Other options we're wearing right now: The stretchy lined All Over Shorts by Olivers and Vuori's old school looking Banks style.