Designed by women, for women, the Ultimate Direction Ultra Vesta 4.0 is the latest update to this classic series of running vests. Featuring 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. Ultra Vesta 4.0