The perfect accessory for growing families, this UPPAbaby ® RumbleSeat V2+ stroller seat allows you to easily transform your single UPPAbaby Vista stroller (not included) into a double without compromising style or functionality. Crafted from premium materials, this charcoal grey add-on seat has an easy-to-use harness system that keeps little ones securely fastened with a sliding shoulder adjustment, which can be tightened or loosened in a singular motion for a precise fit for growing little ones. It can be positioned forward- and parent-facing and features a one-handed, multi-position recline, as well as an extended zip-out canopy that shields riders from sun and wind. Suitable for babies and big kids alike, this seat's simple and innovative design makes it easy to stroll as a traveling twosome.