How To: Create-your-Own Onesie!

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Posted on: 09/08/2021

Being the only place in the world where you can design your very own onesie we understand that you may need a little help in unleashing your inner designer.

We're going to go through the Create-your-Own Onesie process, breaking it down step by step...

Step 1 - Simplicity and fun all at your finger tips!

Head to our Personalised Onesie Builder to get started. We feel we have perfected the art of creativity and invite you to see for yourself! Our incredible builder is responsive on all devices, so whether you're using a desktop, tablet or mobile, we've made sure your create-your-own experience will be as easy and fun as possible! You'll be able to see your Onesie creation come to life in a 3D illustration.
(For this step-by-step guide, we're going to design our onesie on a desktop).

Step 2 - Start Feeling Snuggletastic..

We'll go through each stage of the builder step-by-step to prevent information overload!
(You can always print off this step-by-step guide so you can easily refer back to it if you get stuck whilst going through the process.)

Once you've selected 'Start creating your bespoke onesie' you'll then be asked to select who you're creating the onesie for, be it a baby, a child, a woman, or a man. Simply select the button that applies to you or the lucky person you're designing a onesie for!

Once selected, you then get to name your design. You can use your name, or the name of the person your designing your Onesie for.

Step 2 - Now this is Where the fun begins...

We cater to everyone here at The All-in-One Company, and we pride ourselves on making sure that every single detail is unique to you.
Once you've selected who you're designing a onesie for, you can then choose the correct size. Our sizes range from 0-3 months to 8XL. (There really is a onesie for everyone!)

You can select your size and leg length - and if you're designing for a lovely Mum-to-be, you can even choose to make your Onesie a Maternity Onesie in the Maternity drop down. Maternity Onesies can be ordered in your usual size, but they are made with extra room for growing bumps.

For a little help in choosing the correct size we always recommend looking at our Size charts. As each and every onesie is handmade to order, so if you would like to let us know any specific measurements, or have any special design requirements, you can let us know by adding them into the order instructions box at the checkout (Don't worry, we'll get to this later).

Sensory Seams

By selecting Sensory Seams your Onesie will be sewn in a way so that seams feel seamless, the care label is not sewn into the garment so there is nothing that causes irritation on the inside.

Our Sensory seams provide comfort and peace of mind for those on the Autistic Spectrum and for those with Sensory Processing Disorders. 5% of each Sensory sale goes to The National Autistic Society to help them further in their research. Find out More...

Step 3 - Choose your fabrics!

Let's add some colour...

Chosen with comfort in mind, we have a range of fabrics to choose from. You're able to select the type of fabric you'd like your onesie to be! We have a range of fabrics in various thicknesses, so you're sure to find a fabric to suit you, whether you'd like something snuggletastically cosy, or something a little more lightweight and breathable. For more information on our fabrics head to our Fabrics Guide.

Once selected you can then start choosing your colours and patterns. (We are going to choose Fleece Fabrics.)

You'll notice that there are six swatches to fill. This is because you can choose a different fabrics for the different panels of your onesie. You get to select the fabric for the Front Left, Front Right, Back Left, Back Right, Left Arm and Right Arm.

As you go through the different panels selecting your fabrics, you'll see your onesie come to life!
Mix and match different fabrics to create unique combinations - or you can stay stylishly sophisticated by choosing the same fabric for each panel - it's totally up to you!

Step 4 - Pick a Pocket!

Now the base of your onesie has been designed, it's now time to add some pockets!

We have a range of pockets to choose from - Front Pockets, Side Pockets, Keep Safe Pockets, Sleeve Pockets and an i-Poc-it. All pockets are completely customisable with the options to choose your fabric type and colours.

You may notice that there are little 'i' icon next to particular drop down boxes. When you click on the 'i', an image of the different options will appear. This will give you an idea of what each Add-On looks like, helping you select the options that are right for you.

Are you ready to move onto the next step? Now it's time to go wild wonderful and completely bonkers!

Step 5 - Time for Add-On's...

Add on's can be mixed and matched to create totally unique designs! From hoods. ears, tails and feet, you can let your imagination run wild!


It's then time to choose your Cuff Style.
We have 5 different cuff styles to choose from, Ribbed Cuffs, Thumb Cuff, Hemmed Cuff, Fleece Cuff and Elasticated Cuff.

The colour of the Cuffs will depend on the style you choose. Our Ribbed Cuffing comes in 5 standard colours, Red, White, Navy, Fawn and Black and our expert cutters and machinists will pick the best colour to compliment your design.

Our Hemmed, Fleece and cuffing will be the same fabric as the ones you have chosen for your arms, whether both arms are the same, or if you've selected different fabrics for each. Finally, if you select Thumb Cuffs, you will be given the option to select the fabrics you'd like to use, again you can keep both cuffs the same, or you can alternate with different fabrics.


Of course, we wouldn't be the ultimate personalised onesie builder in the whole world without giving you the option to choose your zip! You can choose between a standard, or full length zip. Both options are available for front and back zips - It's all down to personal preference. Again, you'll notice the little 'i' icon so you can see the zip styles before selecting.

If that wasn't enough, you can even customise your zip!

You have the option to make it a two way zip, and even add a zip tab for extra under-the-chin snuggletasticness.

We also have a selection of 21 different colour zips to choose from!


Keeping you snuggly from head-to-toes, a hood is the perfect add on! You can choose your hood main and rim fabrics - you can even add fur to create a fab-fur-u-lous mad hair day hood!
Our Hoods are lined with the same luxurious fabrics as the ones chosen for your hood main.


Lions, Tigers, Bears, oh my!
We have over 25 different ear's to choose from, all designed and developed right here at The All-in-One Company by our fabulous development team.
Want pink polka dot elephant ears? Why not? - You can choose your outer and inner ears fabrics, you're the designer and this is your very own creation!


If a hood just isn't for you, you can choose to go for a collar. You can select our classic short collar or for something a little more snug, you can go for a High Neck collar.


Time to add a tail! With over 15 tail options, you can mix and match with different animal ears, choosing your fabric colour and patterns - and even add fur!


You then have the option to add a drop seat to your onesie. Our drop seat is a panel on the back of your onesie with an elasticated band that sits on your waist.


Keeping your tootsies warm, you have the option to add feet to your onesie.
Whether you want attached feet, or detached feet (feet you can slip on and off, whether you're wearing your onesie or not).
Choose your fabrics, whether you'd like a matching pair, or two different coloured feet!
You can also add non-slip soles! These are perfect for keeping you grounded when on slippery and slidey surfaces.

Ankle Cuffs

Just like our wrist cuffs, we have a selection of cuff styles to choose from, Ribbed Cuffs, Hemmed Cuff, Fleece Cuff and Elasticated Cuffs.

Step 6 - Adding those personal touches

Make your onesie your own by adding personalisation. You can add a name, message or image. You're able to pick your colours and fonts to compliment your onesie creation! Embroidery can be added to the front or back of your Onesie.

Time to Checkout

Once you've clicked 'Add to basket', you'll then be taken to your shopping cart. Here you'll find everything from the details of your design, the pricing info and delivery charges. Each onesie is handmade to order, so make sure to double check that everything is correct before placing your order.

Once you've doubled checked your creation, it's then time to Checkout.

Once your order has been placed, our fabulous team of master craftsmen will get to work handmaking your creation.

Head to our Personalised Onesie Builder to start creating your Onesie Today!