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Which hope&plum Buckle Carrier is Best for My Baby?

The best buckle carrier for your baby (or toddler!) will fit you both for size and support your baby's development. Our recommendation is to start with the Sprout Newborn Carrier from birth, transition to the Baby Lark between 4 and 8 months, and then invest in the Kid Lark between 30 and 36 months. Read on for more details about the best buckle carrier for your baby and when you should consider transitioning from the Sprout to the Lark.

TL;DR:
  • The Sprout Newborn Carrier is the best buckle carrier for newborns starting at 7 lbs

  • Size up to the Lark Baby Carrier when baby is 10+ lbs and wearing 3–6 month clothes

  • Skip the Sprout if your baby is already 3+ months old and fits the Lark

  • Stop using the Sprout at 24 lbs or when baby’s armpits are above the top of the panel

  • Lark Baby Carrier works well into toddlerhood (up to 45 lbs)

  • Lark Kid Carrier fits best once your child is wearing size 3T clothing

A collage of diverse caregivers and babies of different ages wearing different hope&plum buckle carriers.

When the Sprout is What You Need

The Sprout Newborn Carrier is designed with the specific size, safety, and strength needs of a newborn in mind. If you’re shopping for a baby who hasn’t been born yet, get the Sprout. If your baby is between 7 and 10 lbs, get the Sprout. If your baby is not yet in size 3-6 month clothes for length - more on this fit recommendation in the next section - get the Sprout. If you opt for the Baby Lark, you probably won’t be able to use your carrier immediately. This is fine, especially if you have a different carrier you prefer for the teeny, tiny stage. If you’re looking for a buckle carrier to wear right out of the box, though, opt for the Sprout.

A straight size white woman stands in partial profile, smiles, and embraces her infant worn on her front in a Sprout buckle carrier

When You Should Think About Sizing Up to the Lark

The Lark Baby Carrier is designed for that next stage. It’s for babies who are a little bigger and stronger. If your baby is over 10 lbs and wearing size 3-6 month clothes for length – this means their torso is filling out 3-6 month onesies AND their legs are long enough for 3-6 month pants – you could size up to the Baby Lark. Now, you both could still happily fit the Sprout for some time after your baby hits these size milestones, but this is when your baby could start fitting in the Lark. If you’ve been happily enjoying the Sprout but notice it’s not as comfortable, first get a fit check, and then think about sizing up to the Baby Lark. If your baby is sitting unassisted and you want to try a back carry, consider getting the Baby Lark. If the bottom of the Sprout panel is in its widest setting but isn’t supporting baby from knee pit to knee pit, a Baby Lark might be more supportive and comfortable for you both.


Definitely size up to the Baby Lark if your baby is over 24 lbs and/or if the top of the Sprout panel can no longer reach to baby’s armpits. These are two safety concerns that mean you should stop using the Sprout and use a different carrier or size up to the Lark.

A white woman smiles at the camera while embracing her older infant worn on her front in a Sprout buckle carrier

When You Should Skip the Sprout and Go for the Lark Instead

If your baby is over 3 months old and you’re just thinking about getting your first buckle carrier, it may be wise to skip the Sprout altogether. The Sprout Newborn Carrier is optimally designed for our smallest wearees. This doesn’t mean it won’t be comfortable for many babies throughout their first nine months, but it does mean that, if your baby is no longer in the infant stage, the Lark Baby Carrier might fit your needs better. If your baby is at least 10 lbs and wearing size 3-6 month clothes for length – this, again, means their torso is filling out 3-6 month onesies AND their legs are long enough for 3-6 month pants – get the Baby Lark.

A straight size BIPOC woman smiles towards the camera as she stands in profile and wears her baby on her front in a Baby Lark buckle carrier

When to Think About the Lark Kid Carrier

Maybe you have tiny babies, and you can wear your Sprout safely past 12 months. This is great! Now, though, you might be wondering if you should skip the Baby Lark altogether and get the Lark Kid Carrier instead. Caution! The Lark Baby Carrier can comfortably fit many toddlers until they’re two years old or more. After all, it has a weight limit of 45 lbs. The Kid Lark, on the other hand, doesn’t start fitting kids safely until they’re wearing size 3T for length. That means they’re filling out 3T t-shirts and pants for torso and leg length. Most 12 month olds have a lot of growing to do until they get to that point. Just like purchasing a Baby Lark for a shower gift or for a newborn may result in a carrier that can’t be used for a few months, buying a Kid Lark too soon might mean you have to wait for your toddler to grow into it.

A straight size white man stands with his back to the camera while wearing his toddler on his back in a Kid Lark buckle carrier

Our Best Buckle Carrier Recommendation

We love our buckle carriers, and we think you will too! We think all three - the Sprout Newborn Carrier, the Lark Baby Carrier, and the Lark Kid Carrier - can have their place in every family. We recommend starting with the Sprout before baby is born or right around your due date, getting the Lark Baby Carrier between 4 and 8 months, and then getting the Lark Kid Carrier between 30 and 36 months. This will allow you optimal fit and time with each carrier as your baby grows. Of course, you can combine this recommendation with other carriers or time it differently. See below for a chart and decision tree to help you shop!

A Helpful Best Buckle Carrier Chart and Decision Tree

Baby’s Age When Buying

Carrier Recommendation

Weight Range

Prenatal-2 months

Sprout Newborn Carrier

7-24 lbs

3-24 months

Lark Baby Carrier

10-45 lbs

2-5+ years

Lark Kid Carrier

25-65 lbs

A flow chart titled " Which Buckle Carrier Should I Choose?" that guides the reader through our carriers to pick the best buckle carrier

Best Buckle Carrier FAQ

What is the best buckle carrier for a newborn?

For newborns, the Sprout is the best buckle carrier. It’s designed specifically for babies starting at 7 lbs, offering proper support, fit, and safety right from birth.

When should I switch from the Sprout to the Lark Baby Carrier?

You can start thinking about the Lark Baby Carrier once your baby is over 10 lbs and filling out size 3–6 month clothes for length. Many families continue using the Sprout alongside the Lark during this transition.

Can I skip the Sprout and start with the Lark Baby Carrier?

Yes – if your baby is already at least 3 months old, over 10 lbs, and filling out size 3–6 month clothing, the Lark Baby Carrier is likely the best buckle carrier choice for you.

How do I know if my baby has outgrown the Sprout?

It’s time to size up if your baby is over 24 lbs or the top of the panel no longer reaches their armpits. These are important safety cues. Your Sprout is still safe, but may not be as comfortable if the seat no longer supports baby knee-to-knee.

Which buckle carriers can I use for a back carry?

The Baby Lark and Kid Lark are great for back carries. You can back carry in the Baby Lark once your baby can sit unassisted. The Sprout is not designed for back carries.

What’s the difference between the Lark Baby Carrier and the Lark Kid Carrier?

The Lark Baby Carrier fits babies from 10 lbs up to 45 lbs who are at least in size 3-6 month clothes for length. The Lark Kid Carrier is designed for older toddlers and kids 25-65 lbs who are wearing size 3T clothing for length.

What is the best buckle carrier for long-term use?

Many families find the Lark Baby Carrier to be the best buckle carrier for long-term use, as it can comfortably support babies through toddlerhood—often until age two or beyond.

Can I use more than one buckle carrier as my baby grows?

Absolutely. It could be best to start with the Sprout, move to the Lark Baby Carrier, and later add the Lark Kid Carrier. This approach ensures the best fit, comfort, and safety at every stage.

Choosing the best buckle carrier depends on your baby’s size, stage, and support needs. From the Sprout Newborn Carrier to the Baby Lark and Kid Lark, hope&plum makes it easy to babywear safely and comfortably as your baby grows. Check out our full collection now to find the carrier that’s right for you!

Meet the Author

A BIPOC straight size woman smiles at the camera while standing in profile and wearing a baby on her back in a meh dai

Jenn Tolisano

Jenn Tolisano has been a babywearing educator for over ten years. Working as a high school teacher before entering the world of motherhood, she has brought her passion for education to all things baby carriers. Babywearing has been such an essential parenting tool in her household that she wants to spread the babywearing love to all families. Jenn believes that every caregiver deserves to have a baby carrier they love and feel comfortable and confident in. She hopes that her fit checks and blog-writing with hope&plum help to achieve that goal!

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