The prAna Brion short is ready and willing to take on all challenges. Casual styling lets you blend in around town, abrasion resistance armors you against the rock, water resistance keeps you dry, and mesh pocketing ventilates when things get hot. A touch of spandex provides the stretch you need for a wide range of motion. 97% nylon and 3% spandex. Upf 50+ rating. 7.6oz. Standard fit. Material: Nylon, Spandex.