SKU: 70968263899
britax 3 across

britax 3 across Britax UpNGo Backless Booster Car Seat – Baby Grand

Sale price$23.00 Regular price$25.56
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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Description

britax 3 across Britax UpNGo Backless Booster Car Seat – Baby GrandThe UpNGo backless seat booster gives your child the boost they need to move up into the final car seat stage and go anywhere with confidence. Designed for children from 40 120 lbs and 46 63", this booster combines the portability and convenience that parents look for with kid approved comfort and style. UpNGo is innovatively designed with PosturePlus to help encourage proper posture and seat belt positioning. It also includes a shoulder belt guide to

The UpNGo™ backless seat booster gives your child the boost they need to move up into the final car seat stage and go anywhere with confidence. Designed for children from 40-120 lbs and 46”-63", this booster combines the portability and convenience that parents look for with kid-approved comfort and style. UpNGo is innovatively designed with PosturePlus™ to help encourage proper posture and seat belt positioning. It also includes a shoulder belt guide to help keep the seat belt in the right place. The slim 17.1” SpaceSaver™ design means there’s more room for siblings or carpoolers, and the soft cushioning and large, padded armrests give your child that extra boost of comfort. Whether they're heading out for a shopping trip with grandma or hopping in with a friend on their way to a sleepover, they’ll feel confident navigating big-kid trips with this lightweight and easy-to-carry booster. They can keep their favorite after-school snacks and drinks close at hand in the two cup holders, which are dishwasher-safe for easy cleanup. The booster seat cover is safe to machine wash and dry, and it’s naturally flame-retardant with no added FR chemicals. The color-coded belt guides help kids learn how to buckle up correctly as they make the final car seat transition, setting them up for safety no matter where their journey takes them.

  • Boost, Buckle, Go: Belt-positioning booster lifts your child up to use the vehicle seat belt. 
  • Extended Maximum Capacity: Designed for children from 40-120 lbs and 46”-63".    
  • PosturePlus™ Contoured Seat: Helps encourage proper posture and seat belt positioning.    
  • SpaceSaver™ Design: 17.1” seat leaves plenty of room for siblings & carpoolers! This slim booster seat is designed to fit 3 across in most vehicles without compromising safety or comfort. *Britax cannot guarantee 3-across fitment in all vehicles.     
  • Lightweight & Portable: Thanks to the built-in carry handle and lightweight design, you can take this booster anywhere. Weighing under 4 lbs, it’s easy for both caregivers and kids to carry.  
  • Removable SafeWash® Cover: Safe to machine wash and dry. 
  • Naturally Flame-Retardant Fabrics: No added FR chemicals. 
  • Designed for Comfort: Kids can enjoy every ride thanks to the contoured seat with breathable foam and soft padding. Plus, the large, padded armrests provide that extra boost of comfort.  
  • 2 Dishwasher-Safe Cup Holders: Keep drinks and snacks within reach; easy to remove for cleaning between rides.   
  • Padded Carry Handle Cover: Helps ensure a comfortable grip.    
  • Color-Coded Belt Guides: Help kids learn how to buckle up safely.    
  • Shoulder Belt Guide: Helps keep the shoulder belt in the correct position, encouraging proper fitment as your big kid continues to grow. 
  • Soft & Smooth Knit Fabric: For comfort and a sleek appearance.  

Specifications

  • Dimensions: 9"H x 15.5"D x 17.1"W
  • Product weight: 3.1 lbs.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70968263899

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4.2 ★★★★★
Based on 9 reviews
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A
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Amazon Customer
Lexington, US
★★★★★ 5
Great shoes for the little one taking his/her first steps
Great shoes for the little one taking his/her first steps!! I actually ordered 2 pairs, one for my son in the 12-18 months (even tho he was 10 months old) and a 6-12 month for a friend. The 6-12 month fit my son perfect!! (my son was in a size 5) but I knew they would only last a few weeks so I kept the 12-18 month ones and he started wearing them. He seemed to like them, never tried taking them off and they were easier to walk in than socks but for some reason the top of the foot area is HUGE! They stayed on no problem but lots of wiggle room in the top... He is now running and wears shoes with a thicker sole for the rocks but we still love these for inside when it is too cold to go barefoot. I would say the 12-18 month fit like an average size 6.
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Reviewed in the United States on May 11, 2017
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Yasmin Rodriguez
Natrona Heights, US
★★★★★ 5
Perfect shoes
They are so lovely and soft my granddaughter love them. Perfect size , so easy to put them on for the stretchability. I’m looking for a new pair in other color. 🥰
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Reviewed in the United States on March 2, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Great shoe (but definitely runs large)!
Color: Reach for the Stars Cream, Size: 0-6 Months Infant
We love these shoes! Our very active little girl was getting blisters on her toes going barefoot, so we wanted some developmentally safe protection for her feet. Robeez shoes are backed by the American Podiatric Medical Association and fit the guidelines from the American Academy of Pediatrics. On top of that, these shoes are just a great product! They are easy for caregivers to put on, but difficult for babies to take off; the leather offers great grip and protection (no more blisters!), but are breathable enough to prevent sweaty feet; the top lip of the shoe doesn’t rub her ankle; the materials are quality (no staining/color transfer or weak stitches); and they are absolutely adorable to boot!! The only quibble I have is the innacurate sizing. The 0-6 month size I ordered fits my 10 month old’s feet perfectly. When I was shopping I measured her feet at 4.25-4.5 inches (11-11.5 cm), but ordered down a size based on reviews. I’m very glad I did! That small matter aside, I could not be more pleased with these little shoes!
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Reviewed in the United States on August 1, 2018
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 5
Super cute
Color: Grey, Size: 12-18 Months Toddler
Super cute and so nice for when babies are first walking. They get softer every time baby wears them. Easy to put on and take off. Great quality and worth the price.
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Reviewed in the United States on January 11, 2026
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Misty
Natrona Heights, US
★★★★★ 5
Perfect Soft Sole Shoes for New Walkers
Color: Briana Light Pink, Size: 12-18 Months Toddler
Robeez girl soft sole shoes are fantastic for new walkers. They’re lightweight, flexible, and fit snugly without slipping off. The soft soles provide just enough grip while allowing natural foot movement, which is important for developing balance and coordination. The cute designs are a bonus, making them easy to pair with any outfit. They’re easy to put on and stay comfortable throughout the day. Highly recommend for little ones just starting to walk!
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Reviewed in the United States on June 23, 2025

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