Nipper Trek Named Mumsnet’s Best Foldable Baby Carrier Backpack
We’re delighted to share that Mumsnet has named the Nipper Trek its best foldable baby carrier backpack for 2026.
Following six weeks of testing with mum of two Holly and her nine-month-old son, the Trek earned a four-star rating and Mumsnet’s Top Tested badge. Its compact fold, generous storage and easy-to-use design were among the features that stood out.
What did Mumsnet love about the Nipper Trek?
Mumsnet’s testing went well beyond looking at the specifications. Holly used the Trek on around six country walks, as well as a longer day out at a National Trust property. Her partner also wore it, allowing them to see how easily the Trek could be adjusted between different wearers.
Getting her son in and out was one of the highlights. Holly described it as “just like I would slot him into a highchair” and found she could manage it without needing help from another person.
The five-point harness kept Holly’s son securely positioned throughout their walks, earning the Trek five out of five for safety features. Holly’s son also appeared happy and comfortable in the carrier, enjoying the view and regularly falling asleep along the way.
On a hot, hilly walk, the UPF 50 sunshade and ventilated mesh helped keep Holly’s son shaded and comfortable. The included rain cover means the Trek is also ready when the weather changes.
Storage was another feature Holly appreciated. With a 14L main compartment, front storage pockets, mesh side pockets and a zipped hip-belt pocket, there was space for food, drinks, toys and the usual essentials without needing to carry a separate changing bag.
You can read Holly’s full Nipper Trek review on Mumsnet.
Why did Mumsnet choose it as the best foldable baby carrier backpack?
Framed child carriers can take up a surprising amount of room in the car or at home. The Nipper Trek is designed to fold flat, making it much easier to store and take away with you.
When folded, it measures 32 × 14.5 × 65.5cm. It also weighs just 2.5kg, making it one of the lightest structured child carriers available.
The compact design does not mean missing out on the features families need. Every Nipper Trek includes:
- Removable UPF 50 sunshade
- Rain cover
- Secure five-point child harness
- Removable, washable drool pad and foot area
- 14L main storage compartment
- Front, side and hip-belt pockets
- Rear-view mirror for quick check-ins
- Rope handle for an older child walking alongside
- Bottle storage and hydration bladder compatibility
The adjustable torso length and shoulder straps allow the carrier to be fitted to different wearers, while the padded hip belt and ventilated mesh back panel provide support and airflow.
The Nipper Trek is also tested to the EN 13209 safety standard for framed child carriers.
What did Mumsnet say about comfort?
Mumsnet found comfort for the wearer more mixed on longer walks. Holly and her partner felt that the weight was not distributed as comfortably as they would have liked, particularly when wearing the carrier for extended periods.
Rather than brush past it, we wanted to look at comfort in a little more detail.
Like any framed carrier, the Trek will feel different depending on the wearer, their body shape and how the carrier has been adjusted. While Holly and her partner found it less comfortable over longer distances, other Trek owners have described it as supportive, well balanced and comfortable to wear.
Vanessa uses hers for steep mountain trails, narrow paths, steps and stiles, describing the Trek as “supportive and well balanced” even over longer periods. Rosie Turner uses hers for at least two walks each day and describes it as sturdy and comfortable.
Finding the right adjustment is important, particularly when the Trek is shared between two people. That is why we have created a simple fitting video covering the child’s seat height, torso length, shoulder straps, hip belt and chest strap.
Adjusting Your Nipper Trek for a Comfortable Fit
Setting up your Nipper Trek is straightforward. This video takes you through each adjustment, helping you find the right fit for you while keeping your little one safe, supported and comfortable on every adventure.
How to adjust your Nipper Trek
Adjusting the Nipper Trek should be done before placing your child in the carrier. Once set up, you should only need to make smaller changes to the harness and straps.
1. Establish the right fit (Adult)
Start with the carrier empty. Set the torso panel to suit your height, then position the padded hip belt across the top of your hip bones.
The shoulder straps should feel secure without pulling the hip belt upwards or putting too much pressure on your shoulders.
2. Adjust the child’s seat
Set the child’s seat height while the carrier is empty. A taller child will need a lower seat position, while a smaller child will sit higher.
You can also adjust the seat angle using the controls on either side of the carrier.
3. Secure your child
Place the carrier on stable, level ground before putting your child inside. Lower them into the seat, guide their legs through and secure the five-point harness.
Check that the harness is comfortably fitted and that your child is sitting securely before lifting the carrier.
4. Put the carrier on safely
Follow the lifting instructions in the Nipper Trek user manual when putting the loaded carrier onto your back. Having another adult help is recommended, especially as you get used to the carrier.
5. Make the final adjustments
Once the Trek is on your back, make any final changes to the shoulder, hip and chest straps. The carrier should feel secure and sit close to your body, with the padded hip belt resting firmly across your hips.
If two people share the Trek, remember to adjust the torso panel and straps whenever the wearer changes.
Is £250 expensive for a baby carrier backpack?
At £250, the Nipper Trek foldable baby carrier backpack is reasonably priced for the features included. Mumsnet highlighted its price as one of the points families may want to consider, so it is worth looking at how it compares with other framed carriers from the same guide.
The Trek comes with several features that are sold separately with some other framed carriers. The UPF 50 sunshade and rain cover are both included, along with the rear-view mirror, sibling rope handle, hydration storage, and removable, washable parts.
Here is how the Trek compares with a selection of framed carriers featured in Mumsnet’s guide:
| Carrier | Current brand price | Sunshade included | Rain cover included | Source website (checked 3 Sep 2026) |
|---|---|---|---|---|
| Nipper Trek | £250 | Yes | Yes | outnabout.com |
| Osprey Poco SLT | £250 | Sold separately | Sold separately | osprey.com/gb |
| Osprey Poco LT | £300 | Yes | Sold separately | osprey.com/gb |
| LittleLife Voyager Child Carrier (S5) | £249.99 (RRP £279.99) |
Yes | Sold separately | littlelife.com |
| LittleLife Cross Country Child Carrier (S4) | £179.99 (RRP £199.99) |
Yes | Sold separately | littlelife.com |
| Deuter Kid Comfort Active | £260 | Sold separately | Sold separately | deuter.com/uk-en |
Prices and inclusions are based on Mumsnet’s guide as published in May 2026 and may change.
You also receive free UK delivery, a 60-day free trial and a two-year manufacturer’s warranty.
The trial gives you time to adjust the carrier properly and use it on your own walks, rather than having to decide whether it suits you after trying it on briefly.
A carrier for the places a buggy cannot reach
The Nipper Trek is not intended to replace your buggy on every outing. Instead, it gives you another option when steps, stiles, rocks or narrow paths make using a pushchair difficult.
Some families use both. The buggy handles everyday walks, days out and longer routes with plenty to carry, while the Trek comes out for holidays, hill walks and paths where wheels are not the easiest option.
When your child is up in the carrier, they have a clear view of everything around them. When the walk is over, the Trek folds flat and fits neatly into the car boot or a cupboard at home.
Find your next route together
Being named Mumsnet’s best foldable baby carrier backpack is something we are incredibly proud of. It reflects what the Trek was designed to offer: a lightweight, practical way for families to keep exploring when a buggy may not be the best option for the route ahead.
Take a closer look at the Nipper Trek Backpack Carrier, watch the fitting video and use the 60-day trial to find out how it works for you.
Frequently asked questions
What age is a foldable baby carrier backpack suitable for?
The Nipper Trek is suitable from around six months, once your child can sit unaided, until approximately three years old. The maximum load is 18kg.
Age is only a guide, so always follow the maximum weight limit and make sure your child can sit securely in the carrier.
How much does the Nipper Trek weigh?
The Nipper Trek weighs 2.5kg, making it one of the lightest structured child carriers available.
Its lightweight frame helps keep the overall carrying weight down once your child and belongings are added.
Does the Nipper Trek include a rain cover?
Yes. Every Nipper Trek comes with a rain cover and removable UPF 50 sunshade as standard.
Can two people share the same Nipper Trek?
Yes. The torso length adjusts from 38 to 53cm, while the hip belt adjusts from 66 to 122cm.
The torso panel and straps should be readjusted whenever the carrier is passed from one wearer to another.