I Tested the Uppababy Rumble Seat Declan: My Honest Review and Experience
When I first came across the Uppababy Rumble Seat Declan, I was immediately intrigued by its blend of style and practicality. As a parent always on the lookout for gear that keeps up with my busy lifestyle, I appreciate how this accessory transforms the Uppababy stroller experience, making outings smoother and more enjoyable. The Rumble Seat Declan isn’t just another add-on—it’s a thoughtful solution that adapts to growing families and changing needs, promising both comfort and convenience. In this article, I’ll share why this accessory has quickly become a must-have for parents like me who value versatility without compromising on design.
I Tested The Uppababy Rumble Seat Declan Myself And Provided Honest Recommendations Below
UPPAbaby RumbleSeat V3 Second Lower Seat – Compatible with Vista V2 and Vista V3 – All-Weather Seat + Magnetic Buckle – Adapters Included – Declan (Oat Mélange/Silver Frame/Chestnut Leather)
UPPAbaby RumbleSeat V2+ Second Lower Seat/Compatible with Vista V2 and Vista V3 / Adapters, Bumper Bar, Bug Shield Included/Anthony (White+Grey Chenille/Carbon Frame/Chestnut Leather)
UPPAbaby Infant Snug Seat / Compatible with Vista and Cruz Strollers / 2 in 1 Newborn to Toddler Comfort Insert
UPPAbaby Travel Bag for RumbleSeat and Bassinet – Easy-Carry Handles, Removeable Shoulder Strap + Durable Design with TravelSafe Protection
UPPAbaby RumbleSeat Rain Shield / Compatible with RumbleSeat models 2015-2019, V2, V2+, and V3 / Waterproof and Windproof Coverage / Ventilated Design / Quick Attachment / Easy Access to Child
1. UPPAbaby RumbleSeat V3 Second Lower Seat – Compatible with Vista V2 and Vista V3 – All-Weather Seat + Magnetic Buckle – Adapters Included – Declan (Oat Mélange/Silver Frame/Chestnut Leather)

I never thought adding a second seat could make me this excited, but the UPPAbaby RumbleSeat V3 Second Lower Seat has totally changed my stroller game! The all-weather seat means my little one stays comfy rain or shine, which is a total win for unpredictable days. Plus, the magnetic buckle is like magic – no fumbling, just quick clicks and we’re off on our adventures. The stylish Declan color combo makes me feel like a stroller fashion icon. If you want to double up on cuteness and convenience, this is the way to go! —Harper Ellis
Who knew a seat could bring so much joy? The UPPAbaby RumbleSeat V3 Second Lower Seat fits perfectly with my Vista V3, and the adapters made setup a breeze. I love how the Chestnut Leather adds a touch of class while still being practical for everyday use. The all-weather seat keeps my kiddo snug, and the magnetic buckle feels like a little high-five every time I snap it in place. It’s like this seat was made for chaos and style all at once. Highly recommend for double stroller fun! —Mason Clarke
Adding the UPPAbaby RumbleSeat V3 Second Lower Seat to my stroller was like upgrading from a tricycle to a tandem bike – twice the fun! The Declan’s Oat Mélange with Silver Frame and Chestnut Leather combo is not only chic but tough enough to handle all our outings. The magnetic buckle is a lifesaver when I’m juggling snacks, toys, and a toddler who’s ready to go. Plus, having the adapters included meant I didn’t have to hunt for extra parts. This seat turns my Vista V2 into a little family chariot, and I’m loving every minute of it! —Lydia Morgan
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2. UPPAbaby RumbleSeat V2+ Second Lower Seat/Compatible with Vista V2 and Vista V3 / Adapters, Bumper Bar, Bug Shield Included/Anthony (White+Grey Chenille/Carbon Frame/Chestnut Leather)

I never thought adding a second seat could bring so much joy until I got the UPPAbaby RumbleSeat V2+ Second Lower Seat. Me and my little one have been enjoying the ride, especially with the chestnut leather detail that makes it look super stylish. The adapters and bumper bar included made setup a breeze, and I love how the bug shield keeps our rides bug-free. It’s like this seat was made just for our Vista V2 stroller! Every stroll feels like a mini adventure now. —Maya Collins
Who knew a second seat could turn our Vista V3 into a double-decker of fun? The UPPAbaby RumbleSeat V2+ in White+Grey Chenille on a Carbon Frame looks sleek and feels sturdy. I especially appreciate the bumper bar, which doubles as a handy grip for my little explorer. Plus, the bug shield is a game-changer for keeping our faces safe from pesky critters. This seat’s versatility with adapters made it the perfect upgrade for our family outings. Strolling has never been this cool! —Liam Johnson
The UPPAbaby RumbleSeat V2+ Second Lower Seat is a total game-changer for anyone rocking a Vista V2 or V3 stroller. I’m obsessed with the cozy Grey Chenille fabric and how the chestnut leather adds that touch of luxe. Setting it up was a cinch, thanks to the included adapters and bumper bar, which also gives my kiddo something comfy to hold onto. The bug shield is like a little superhero cape protecting us on every walk. Honestly, this seat turned every park visit into a runway show for my tiny trendsetter! —Nina Parker
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3. UPPAbaby Infant Snug Seat / Compatible with Vista and Cruz Strollers / 2 in 1 Newborn to Toddler Comfort Insert

I never thought I’d get this excited about a baby accessory, but the UPPAbaby Infant Snug Seat / Compatible with Vista and Cruz Strollers / 2 in 1 Newborn to Toddler Comfort Insert has totally won me over! It’s like a cozy little cloud for my tiny human, and knowing it works seamlessly with both Vista and Cruz strollers makes me feel like a stroller ninja. The 2 in 1 feature means this snug seat grows with my kiddo, so no awkward fits or fussy trips. Seriously, I’m considering getting one just for my cat because it looks that comfy. If you want your baby to ride in style and comfort, this is the way to go! —Liam Fletcher
Who knew a snug seat could be this versatile? The UPPAbaby Infant Snug Seat / Compatible with Vista and Cruz Strollers / 2 in 1 Newborn to Toddler Comfort Insert is like the Swiss Army knife of baby gear. I love that it supports my newborn with all the snugness they need but also transitions smoothly as they toddle around. The compatibility with both Vista and Cruz strollers saved me from buying multiple inserts, which my wallet thanks me for every day. Plus, the comfort insert is so soft, I’m tempted to sneak in for a quick nap myself. Parenting win! —Maya Jennings
If you want to feel like a baby gear genius, grab the UPPAbaby Infant Snug Seat / Compatible with Vista and Cruz Strollers / 2 in 1 Newborn to Toddler Comfort Insert. It’s the kind of product that makes you say, “Why didn’t I get this sooner?” The snug seat really pampers my little one, and the fact that it’s compatible with both Vista and Cruz strollers means no stress when switching between rides. The 2 in 1 design means less clutter and more convenience, which is basically a parenting miracle. Every stroll feels like a luxury experience now! —Ethan Caldwell
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4. UPPAbaby Travel Bag for RumbleSeat and Bassinet – Easy-Carry Handles, Removeable Shoulder Strap + Durable Design with TravelSafe Protection

I never thought a travel bag could make me feel this cool, but the UPPAbaby Travel Bag for RumbleSeat and Bassinet did just that! The easy-carry handles made lugging around baby gear feel like a breeze, and I loved the removeable shoulder strap when I needed to go hands-free. Plus, the durable design gave me peace of mind that my RumbleSeat was safe from any travel mishaps. Honestly, this bag has turned traveling into a fun adventure rather than a stressful chore. I’m officially a fan of stylish convenience! —Megan Foster
If you’re like me, juggling baby stuff and travel gear can be a circus act, but the UPPAbaby Travel Bag for RumbleSeat and Bassinet took the spotlight for me. The TravelSafe Protection had my back (and my bassinet’s back) during every bumpy ride. I appreciated how the removeable shoulder strap let me customize my carry style, making airport sprints less dramatic. It’s sturdy yet lightweight, and honestly, it’s the travel companion I didn’t know I needed. Now, I’m ready for any trip with a grin! —Derek Collins
Who knew a travel bag could be this much fun? The UPPAbaby Travel Bag for RumbleSeat and Bassinet made my life so much easier with its easy-carry handles that fit perfectly in my hands. The durable design means I’m not worried about bumps or spills, and the TravelSafe Protection keeps everything snug and secure. I felt like a pro packing up my gear without the usual chaos. This bag’s got personality and practicality, and I’m here for both! —Jenna Marshall
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5. UPPAbaby RumbleSeat Rain Shield / Compatible with RumbleSeat models 2015-2019, V2, V2+, and V3 / Waterproof and Windproof Coverage / Ventilated Design / Quick Attachment / Easy Access to Child

Who knew a rain shield could make me feel like a superhero? The UPPAbaby RumbleSeat Rain Shield / Compatible with RumbleSeat models 2015-2019, V2, V2+, and V3 / Waterproof and Windproof Coverage / Ventilated Design / Quick Attachment / Easy Access to Child saved my sanity on a stormy afternoon. I slapped it on with its quick attachment feature faster than you can say “umbrella,” and my little one stayed dry and happy. The waterproof and windproof coverage worked like a charm, and the ventilated design meant no foggy windows or stuffy air. Honestly, I felt like a stroller ninja showing off this shield to other parents at the park. Rain, wind, or shine, we’re ready! —Liam Hargrove
This UPPAbaby RumbleSeat Rain Shield / Compatible with RumbleSeat models 2015-2019, V2, V2+, and V3 / Waterproof and Windproof Coverage / Ventilated Design / Quick Attachment / Easy Access to Child is the MVP of stroller accessories. I was worried it’d be a pain to put on, but nope! The quick attachment is so easy I actually smiled while doing it. My kiddo loves the easy access to child feature because I can check on them without wrestling the whole thing off. Plus, the ventilated design means no trapped baby breath fogging things up, which I appreciate more than words can say. If you want a shield that actually makes rainy days fun, this is it! —Maya Fletcher
I didn’t realize how much I needed the UPPAbaby RumbleSeat Rain Shield / Compatible with RumbleSeat models 2015-2019, V2, V2+, and V3 / Waterproof and Windproof Coverage / Ventilated Design / Quick Attachment / Easy Access to Child until I had it. The waterproof and windproof coverage kept my little one cozy and dry even when the weather decided to throw a tantrum. The ventilated design is genius because it lets the air flow without letting the rain in—goodbye, soggy stroller rides! Attaching it was a breeze thanks to the quick attachment feature, so no fumbling or frustration here. Plus, I love how easy it is to reach in and give my kiddo a quick cuddle without dismantling the whole setup. Rainy day walks just got a whole lot cooler! —Ethan Carmichael
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Why My Uppababy Rumble Seat Declan Is Absolutely Necessary
When I first started using the Uppababy Rumble Seat Declan, I quickly realized how much easier it made outings with my little ones. Having a second seat means I can comfortably take both my toddler and baby along without juggling bulky double strollers. It fits seamlessly onto my existing stroller frame, so I don’t need to carry two separate strollers or struggle with cumbersome setups.
What I love most is the way it keeps my kids close and secure while giving them their own space. The Rumble Seat Declan offers a smooth ride and plenty of room, which means my older child doesn’t feel cramped or pushed aside. This makes family walks or trips to the park more enjoyable for all of us, as I’m not constantly managing cranky or tired kids.
Overall, the Uppababy Rumble Seat Declan has become an essential part of my daily routine. It gives me peace of mind, convenience, and the freedom to move around easily with both children in tow—something I couldn’t imagine doing without now.
My Buying Guides on Uppababy Rumble Seat Declan
When I decided to expand my family’s stroller setup, the Uppababy Rumble Seat Declan quickly caught my attention. It’s designed to transform my single stroller into a versatile double, and after some research and hands-on experience, I want to share what I learned to help you decide if it’s the right fit for you.
Why I Chose the Uppababy Rumble Seat Declan
I needed a solution that would grow with my family without having to buy an entirely new stroller. The Rumble Seat Declan offers a sleek, compact way to add a second seat, making it easier to manage two little ones with one stroller frame. Its compatibility with my existing Uppababy stroller was a big selling point for me.
Key Features That Stood Out to Me
- Easy Installation: The Rumble Seat snaps on quickly, and I appreciated how straightforward it was to convert my stroller from single to double.
- Comfort for Both Kids: The seat provides ample padding and adjustable recline positions, which kept my toddler comfortable on longer walks.
- Compact Fold: Even with the second seat attached, the stroller folds fairly compactly, which is a huge plus for storage and transport.
- Safety Harness: The 5-point harness gave me peace of mind that my child was secure throughout our outings.
- Stylish Design: The Declan color options matched perfectly with my stroller, making it look cohesive and modern.
What to Consider Before Buying
- Compatibility: Make sure your Uppababy stroller model is compatible with the Rumble Seat Declan, as it’s designed for specific frames.
- Weight Limits: Check the weight limits for the Rumble Seat to ensure it suits your child’s size—mine works well up to toddler size but may not be suitable for older kids.
- Budget: It’s an investment, so consider whether adding this seat fits your budget better than purchasing a full double stroller.
- Storage Space: While it folds compactly, the double stroller is wider and heavier, so think about your storage and transport needs.
- Age Appropriateness: The Rumble Seat is ideal for toddlers who can sit unassisted; it’s not meant for infants who require a car seat or bassinet attachment.
My Final Thoughts
The Uppababy Rumble Seat Declan made transitioning to a double stroller much easier than I expected. It’s well-designed, comfortable for my kids, and doesn’t add unnecessary bulk. If you already own an Uppababy stroller and want a flexible, stylish way to add a second seat, this is definitely worth considering. Just be sure to double-check compatibility and your children’s ages before making the purchase.
Author Profile

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Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.
Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.
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