Editors' Choice Essential Summer Gear - Outside Magazine The Best Women's Trail Running Gear - Outside Magazine "The Ultra Vesta is women-specific and endlessly adjustable" - WIRED Magazine "With a medium volume capacity, it held everything testers needed for longer runs... and testers appreciated the pack's durability." - Women's Running magazine "Lighter and sleeker without compromising functionality" -Ultrarunning Magazine Years of innovation have made the Ultra Vesta a modern classic. Women-designed and women-approved, the Ultra Vesta has been a mainstay at the start lines-and, more importantly, the finish lines-of thousands of ultramarathons since its debut. The new Ultra Vesta is a Signature Series vest with seamless, chafe-free 4-way stretch mesh material and new Comfort Cinch technology that enables lateral sizing and stability adjustments on-the-go. As with all Ultimate Direction racing vests, two 500ml Body Bottles stow up front to give you the fuel needed for the long haul Bottles Included: 2 Body Bottle 500s Volume Capacity: 616.34 in 3 / 10.1 L Weight With Bottles: 11.22 oz. / 318 g Weight Without Bottles: 7.76 oz. / 220 g | Ultimate Direction Ultra Vesta 4.0 in Lichen Size Medium/Large