The Nuna MIXX Next paired with the PIPA Aire RX in Granite is the complete travel system built for families who want versatility, safety, and effortless style from birth. This bundle includes the MIXX Next stroller, PIPA Aire RX infant car seat, RELX base, and ring adapter for seamless one-click attachment, road-tested in our boutique from day one.
MIXX Next Stroller — 4 Modes, One Compact Fold
The MIXX Next adapts as your family grows — use it as a travel system with the PIPA Aire RX, attach a bassinet for newborns, or switch the seat to parent-facing or world-facing mode. Rear-wheel Free Flex suspension™ and front-wheel progressive suspension handle any terrain, while a true-flat sleeper recline, five-position one-hand recline, and MagneTech secure snap™ buckle make every ride comfortable and effortless. The one-piece compact fold stands on its own with an automatic quick-click fold lock and trolley function.
PIPA Aire RX Infant Car Seat
The PIPA Aire RX is crafted entirely from materials free of fire retardant additives — from fabric to foam. GREENGUARD Gold Certified and FAA certified for aircraft use, it installs in seconds with the RELX base or directly via seat belt with no base required. At just 6.2 lbs, it fits 4–30 lbs and up to 30 in, with Aeroflex™ foam, Tailor tech™ memory foam, Sky drape™, Merino wool and TENCEL™ lyocell inserts, and machine washable fabrics. Complimentary car seat safety installations and safety checks by our trained staff for all purchased seats.
RELX Base
The RELX base features a True lock™ rigid latch — 50% stronger than a typical belt latch — with indicators that turn green when secure. Four-position on-the-go recline with bubble-free angle guides, an integrated anti-rebound panel, crumple zone, and a multi-position steel stability leg that fits most vehicles including middle seats.
What's Included
Every bundle includes the MIXX Next stroller frame and seat, PIPA Aire RX infant car seat, RELX base, ring adapter, and bamboo blend seat insert with a 3-year stroller warranty and 2-year car seat warranty.
Browse our stroller accessories and Nuna car seat accessories to complete your setup. Please review our car seat return and exchange policy before purchasing.
Posh Baby is a family-owned Portland boutique specializing in premium baby gear since 2006. Enjoy Tax-Free shopping in most states.
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Create your universal baby registry with Posh Baby Portland — and add items from any store in the world. Our expert registry concierge team is here to guide you through every product category, from strollers and car seats to nursery furniture and essentials. Enjoy exclusive registry rewards, tax-free savings in most states, and the confidence of buying from a family-owned boutique that truly knows baby gear.
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Boutique Services Offered
Free Car Seat Install
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Registry Rewards
Purchase any 3 of the items below — whether you buy them yourself or your guests do — and receive a 5% rebate gift card based on the total of those 3 items. Use it in-store or online.
Mattress Nursing Chair Bassinet Car Seat Stroller Carrier Bouncer
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