The VaporAiress Lite takes our Adaptive-Fit™ feature to the next level with a new “”set it and perfect it”” hook & loop design. Made of lightweight and breathable mesh & stretch woven materials for maximum comfort. Equipped with a 2L bladder with quick release valve and 7 pockets, including multiple back pockets for additional items, plus bottle pockets in the front fit up to 22oz flasks.