Roark Men's Alta 5" - Costa Size:XLarge Bite valve keeps liquid from

Bite valve keeps liquid from escaping

Moderate cushioning throughout the sock for a secure fit with enhanced impact protection

You won’t find these unique benefits anywhere else

on-the-fly access to hydration and nutrition

Roark Men's Alta 5" - Costa Size:XLarge Bite valve keeps liquid fromLightweight and minimal for top level run performance. Made from a lightweight 4 way stretch nylon with a water resistant finish. Featuring an integrated breathable, anti microbial brief liner. The short features a water resistant zippered back pocket for your phone or other stowables and two external gel pockets on the hips. With a 5 inseam and an extended slit notched hem, the short is designed to meet the demands of your long run or daily workout.