FX (Fetal Flex) Swaddle - White / Standard Weight

Please SELECT SIZE according to baby’s WEIGHT or HEIGHT, whichever is greater of the two.
* Fabric colour is Off White.
PRICE: $32.95
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Product details

Meet the 3-IN-1 FX Swaddle. Designed in Australia, it comes built-in with 3-IN-1 arm positions (Arms-In, Arms-Free, and Hands-Out) to accommodate your baby’s changing needs, preferences, and development stage.

The FX (Fetal Flex) Swaddle is the only swaddle that emulates the natural essence of the womb environment by swaddling your baby in the naturally preferred Arms-Free (Fetal Flex) position, while still suppressing the Startle (Moro) reflex.

Similar to the womb environment, the FX Swaddle provides your baby optimum comfort and feeling of security, promotes better development and self-soothing, while minimising spontaneous awakenings – helping your baby sleep better and longer – providing a gentler way to transition your baby from 'womb to world', and from 'swaddle to sleeping bag'.

Features & Benefits Summary

  • Swaddles your baby in the naturally soothing fetal position – which provides optimum comfort and reassurance, reduces overstimulation, making your baby feel calm, cosy and safe.
  • Patent pending design emulates the natural essence of the womb environment by swaddling your baby in the naturally preferred ‘arms free’ (fetal-arm) position, while still suppressing the Startle (Moro) reflex.
  • Arms free (fetal-arm) position + suppressing startle reflex = better development, more self-soothing and less spontaneous awakenings = more sleep for baby and easier transition out of swaddle = more sleep for mum and dad.
  • Patent pending built-in 3-in-1 arm positions (Arms-in, Arms-free, or Hands-free), provides a gentler way to transition your baby from 'womb to world', and from 'swaddle to sleeping bag'.
  • The narrowed/tapered waistline design provides gentle pressure on baby’s belly, which can help ease colic and eliminate gas related issues.
  • Hip-healthy bell shaped design allows baby’s hips and legs to flex and move naturally, which helps the hips develop normally.
  • The design of the FX swaddle and the stretch organic cotton fabric allows proper chest wall expansion, allowing baby to breathe freely and minimising the risks associated with tight chest wrapping.
  • Made with stretchy but snug 95% certified organic cotton 5% spandex for optimum breathability, comfort and to reduce the risk of overheating.
  • Australian safety standard approved. The FX Swaddle conforms to the Australian safety standard AS/NZS 1249:2014
  • Escape proof zip-up design prevents baby escaping from the swaddle. Safer alternative to velcro or traditional swaddles which can unravel and cover your child’s face.
  • Two-way zipper for easy nappy changes.
  • Super easy to use, simply place baby in the swaddle and zip up. No wrapping required!
  • Easy cleaning/care.

Sizing Guide

Use the sizing chart below to work out the correct size for your baby. Babies grow at different rates, and weight and height can vary significantly between babies of same age. Therefore, we recommend choosing the swaddle size according to your baby’s Weight or Height, whichever is greater of the two, instead of baby’s age. If you’re not 100% sure about your baby’s height or weight measurements, and are in doubt between two sizes, we recommend getting both sizes and you can return the one that doesn’t fit. Please don’t hesitate to contact us if you need any help.

Sizing Chart


Size Code

Weight Range

Height Range

Approx Age





33-39w (Gestational Age)





















- All measurements are approximate and are for guidance only as all babies are different.

How many swaddles do I need?

We recommend purchasing at least two FX swaddles per size. Consider getting an extra spare for added convenience, as babies can be messy with leaking nappies and spitting up milk.

One to wash, one to wear, and one to spare!

Dressing Guide

Standard Weight

The Standard Weight FX swaddle is made from a single layer of stretchy organic cotton jersey fabric, which is similar to a t-shirt fabric, and is approx 0.5 Tog. It is suitable for all year round use. You can dress baby underneath the swaddle as appropriate for the nursery temperature:

  • In cooler temperatures, dress baby in warmer layers underneath the swaddle.
  • In warmer temperatures, dress baby in lighter layers underneath the swaddle.
  • During hot summer days it may be sufficient to dress baby in just the swaddle and nappy. Here are some additional suggestions:
    • Undo the bottom zipper so that swaddle is partially open from below chest to feet. This will allow more air circulation and keep baby cooler.
    • Keep nursery temp between 18 and 22 degrees if possible.
    • Consider using a fan in baby’s room for better air circulation.

Warm Weight

The Warm Weight FX swaddle is made from a single layer of stretchy cotton fleece fabric, which is similar to a light weight sweatshirt/jumper fabric, and is approx 1.5 Tog. It is suitable for Autumn/Spring and Winter use.

  • During Autumn/Spring you may dress baby in light clothing or just a nappy underneath.
  • During Winter you may dress baby in something warmer underneath.

General Dressing Guide

As a good starting point, we recommend that you dress your baby as you would dress yourself for the room temperature; comfortably warm, neither too hot nor too cold. Feel your baby's chest, tummy, or back regularly to check his/her temperature. It should feel comfortably warm, not too hot or cool to your touch. You can then add or remove layers as needed.

You needn't worry too much if your baby’s hands and feet feel cool. This is normal for babies due to their immature circulatory systems causing a delay in blood movement to the extremities.

Please note, all babies are all different; additionally, other factors such as humidity in your region, whether there is heating in the house, and your baby's health (whether your baby has a cold or infection or another special need) can determine how you should dress your baby. If your baby is sweating or has a red face, remove some clothing. This may be necessary if your baby is unwell, in which case you should seek medical attention.

- This dressing guide is for general guidance only as all babies are different.

Safe Swaddling Tips

  • Always sleep baby on the back, not on the tummy or side.
  • Do not use swaddle if head can pass through the neck-hole or if neck-hole is too tight.
  • If your baby is attempting to roll from back to tummy during sleep, discontinue swaddling (you can use our 365 Sleep Bag V3, or the X-TEND Sleepsuit instead), or swaddle only with baby’s hands completely free/out. Babies should be able to move their arms freely to push their face off the bedding surface if they happen to accidentally roll from back to tummy. As a general guide only: babies can roll from tummy to back during playtime first, then followed by being able to roll from back to tummy during playtime, and soon followed by being able to roll from back to tummy during sleep.
  • Always follow safe sleep recommendations from Red Nose Australia.

Other Info

Fire hazard labelling as per AS/NZS 1249:2014


Fire warning label on garment

Payment methods available

We accept Visa, MasterCard, PayPal, and Afterpay payments.

Secure Payment Methods

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Shipping cost and delivery timeframe

Items are posted out from our warehouse in Brisbane Australia. We offer Australia wide and International shipping. More info at

Product reviews

Read the FX Swaddle reviews here

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