Not only functional, this backpack is stylish and fits everything you need in one place. It's a win-win!Introducing the Women's Pinnacle 4 Liter Hydration Race Vest by Nathan Sports, a lightweight option that is 20% lighter than other vests. Designed specifically for women with a shorter torso and hourglass shape, it features a contoured Chimney back panel for optimal airflow. This Caribbean Blue/Magenta vest boasts 12 exterior pockets, including kangaroo and side stash pockets, plus a large diagonal zipper for easy access. Complete with two 20ml flasks with ExoSpine and weighing 12.0oz (340g) with bladder, this vest has a storage capacity of 244 cu in.