COMPATIBLE WITH: UPPAbaby Vista stroller models 2015-2019, Vista V2 and Vista V3. CONVERT YOUR VISTA: Add this second lower seat to your Vista (models 2015-2019), Vista V2 and Vista V3 to make it a double stroller, suitable for children from 3 months to 40 lbs or 36″, whichever comes first. INCLUDED SIMPLE ADAPTERS: Large hubs and adapters ensure quick, easy, and intuitive attachment to Vista. ADJUSTABLE FOOTREST: Multi-position footrest to aid in child comfort as child grows. ADJUSTABLE CANOPY: Grow-with-me canopy height adjustment to provide extra headspace for child. ONE HANDED, MULTI-POSITION RECLINE: Can be positioned both forward- and parent-facing for enhanced comfort. FIVE-POINT, NO-RETHREAD HARNESS: Adjusts in a singular motion for a precise fit for growing babies. EXTENDABLE, ZIP OUT 50+ CANOPY: Offers a vented peekaboo window for added sun protection. EASILY CLEANABLE: Removable and washable fabric for easy clean-up. EXPANSION OPTIONS: Numerous configurations possible with Toddler Seat, PiggyBack, Aria, Mesa V2, and Mesa Max Infant Car Seat (may require additional purchase).