Minimalist design maximum comfort when a handheld just isnrsquot enough but an ultra running vest feels like overkill the dart is your streamlined companion the dart has been a favorite among runners for years thanks to its simple and intuitive features a zippered essentials pocket in the back and a stretchy pocket on the harness for gels or bars the crux delivers 20 more water per sip with an ergonomic handle for easier refilling and an onoff lever that makes it easy to prevent leaks front fa