Yes, absolutely. The FX Swaddle (STAGE 1) is designed for use from birth until your baby begins to show signs of rolling.

It provides a snug, secure fit around the upper body to help calm the startle reflex, while allowing natural arm movement for self-soothing and early development.

Here’s a quick overview of our sleepwear stages:

• STAGE 1: FX Swaddle (Newborn to first signs of rolling)

• STAGE 2: Swaddle Transition Sleep Bag (for transitioning out of swaddling once rolling begins)

• STAGE 3: Sleeping Bag (for babies comfortably sleeping with arms-out)

• STAGE 4: Sleepsuit (for active toddlers who need more freedom of movement during sleep)

To find the right stage for your baby, view our full guide here: https://sleepycompany.com/sleepwear-stage-guide

The FX Swaddle (STAGE 1) is designed for use from birth until your baby begins to show signs of rolling, typically occurring between 4-6 months but potentially sooner for some babies.

It is essential to discontinue swaddling (STAGE 1) as soon as the baby starts showing signs that they can begin to roll. At this point, we recommend transitioning to our 2-IN-1 Swaddle Transition Sleep Bag (STAGE 2), which is specifically designed for rolling babies. For more information, please visit our product page sleepycompany.com/shop/transitionsleepbags

The FX Swaddle comes in various warmth ratings to cover all seasons: 0.2 Tog, 0.5 Tog, 1.5 Tog, and 2.5 Tog.

What is a Tog?

Tog is a measurement of warmth or 'Thermal Resistance' in a fabric. Lower Tog rating = cooler fabric, higher Tog rating = warmer fabric.

Light Weight Bamboo 0.2 Tog

• Made from a single layer of thin and stretchy fabric, consisting of 90% bamboo and 10% spandex. This fabric is exceptionally soft and light, with a silky feel.

• It's perfect for summer use when worn with light clothing or just a nappy underneath, and suitable for autumn and spring when layered with warmer clothing underneath.

Standard Weight 0.5 Tog

• Made from a single layer of stretchy fabric, consisting of 95% cotton and 5% spandex. This fabric is similar to that of a comfortable t-shirt.

• Suitable for year-round use and daytime naps. You can layer your baby underneath the swaddle based on the room temperature.

Warm Weight 1.5 Tog

• Made from a single layer of stretchy cotton fleece fabric, consisting of 95% cotton and 5% spandex. This fabric features a smooth exterior and a plush, fluffy interior, similar to that of a cosy sweatshirt or jumper.

• Ideal for autumn and spring when worn with light clothing or just a nappy underneath and can be layered with warmer clothing during winter for added warmth.

Warm Weight 2.5 Tog

• Made from a stretchy cotton fleece fabric, consisting of 95% cotton and 5% spandex. This fabric features a smooth exterior and a plush, fluffy interior, similar to that of a cosy sweatshirt or jumper. While the upper body and sleeves feature a single layer of this fabric, the area from below the chest to the bottom, both front and back, is double-layered, providing optimal warmth.

• Ideal for winter months, you can dress your baby underneath the swaddle with suitable layers, adjusting as needed to accommodate varying cold temperatures.

For babies aged 0-12 months, weight is the most reliable factor when selecting a swaddle size. Height is also important, but age is the least accurate, as babies of the same age can differ significantly in size. Use your baby’s current weight and height to select a base size below: 

NOTE: While we strive to provide accurate sizing guides, all measurements are approximate and for guidance only. Because every baby is different, we recommend trying the swaddle on first to ensure the right fit before using it for sleep. It should feel snug around your baby’s upper body and tummy for a secure, hugged feeling. Please see below for more detailed info.

How the Swaddle Should Fit Your Baby

We recommend trying the swaddle on for size before using it for sleep. When the swaddle is properly fitted:

• It should fit snugly across the upper torso to create a hugged feeling, helping to calm the baby and suppress the startle reflex.

• It should be roomy around the hips and legs to allow natural movement and healthy hip development.

• You should be able to fit two fingers comfortably inside the neck opening.

Signs the swaddle may be too tight

These apply to swaddling in general, regardless of brand or style.

• Consistently rapid, shallow breathing (over 60 breaths per minute at rest). While brief spurts of rapid breathing are normal in newborns, constant fast breathing may suggest restricted chest movement or difficulty breathing.

• Nasal flaring, grunting, or chest retractions (when the skin pulls in around the ribs or neck with each breath)

• Blue or pale skin tone, especially around the lips

Signs the swaddle may be too loose or oversized

These apply to swaddling in general, regardless of brand or style.

• Fabric rides up over baby’s face

• Loose fit around the tummy

NOTE: If you need to exchange your item, please refer to our Returns and Exchanges information here: https://sleepycompany.com/shipping-returns-warranty

Baby’s Growth: What to Expect

Here’s a quick guide to typical baby weight and height growth patterns to help you choose the right size - and know when to size up.

Typical weight gain

In the first week, babies may lose up to 10% of their birth weight but usually regain it over the next few weeks. Most babies double their birth weight by 4–6 months and triple it by 12 months.

Average weekly weight gain:

• 0-3 months: 150-200 grams per week

• 3-6 months: 100-150 grams per week

• 6-12 months: 70-90 grams per week

Typical height growth

• 0-6 months: 2.5 cm per month

• 6-12 months: 1.3 cm per month

NOTE:

• These are averages. Every baby grows at their own pace, and growth may not follow a steady pattern. Growth spurts are common and can happen suddenly.

• To avoid unexpected delays in receiving your swaddle, we recommend you choose the Express Shipping option during checkout. For shipping info please visit: https://sleepycompany.com/shipping-returns-warranty

We recommend purchasing at least two FX swaddles per size. Given how babies can be messy — whether from leaking nappies, spit-ups, or sucking on their hands through the fabric — having a spare can make things easier: one to wash, one to wear, and, if possible, an extra as backup.

General Dressing Guide

The FX swaddle is designed to be worn over other sleepwear as an additional layer. When dressing your baby for sleep, room temperature is a crucial consideration, but other factors such as humidity levels in your region, the presence of heating or cooling systems in your house, your baby's individual preferences (like being a hot or cold sleeper), and your baby's health condition (such as having a cold, infection, or specific needs) also influence the choice of an appropriate Tog-rated swaddle and how your baby should be dressed underneath.

As a starting point, we recommend dressing your baby in a way similar to how you would dress yourself for the room temperature: comfortably warm, neither too hot nor too cold. Regularly feel your baby's chest, tummy, or back to gauge their temperature; it should be comfortably warm, neither too hot nor too cool to your touch. You can then add or remove layers as needed.

It's normal if your baby’s hands and feet feel cool. This is due to their immature circulatory systems, which can cause a delay in blood movement to the extremities.

If your baby is sweating or has a red face, consider removing some clothing. This is especially important 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.

Ideal Room Temperature

Maintaining a comfortable room temperature is crucial for your baby's well-being. High room temperatures can lead to overheating, while inhaling cold air may heighten the risk of respiratory illnesses. Babies may also wake up if they are too hot or too cold. Regardless of the weather conditions outside, aim to keep the nursery temperature between 18 and 22 degrees Celsius (64 to 72 degrees Fahrenheit) whenever possible.

Warm Weather Tips

During hot summer days, it may be sufficient to dress your baby in just the FX swaddle and a nappy.

Additionally, consider undoing the bottom zipper of the swaddle so that it is partially open from below the chest to the feet, keeping your baby cooler and more comfortable.

Furthermore, using a fan in the baby's room significantly improves air circulation, creating a cooler atmosphere in warm weather and increasing safety.

For full details on dispatch and delivery timeframes, please view our shipping information here: https://sleepycompany.com/shipping

We are an online-only store, with all orders shipped Monday to Friday from our Melbourne, Australia warehouse.

You can purchase our full range directly from our website here: https://sleepycompany.com

For delivery timeframes and shipping details, please see: https://sleepycompany.com/shipping

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• 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.

• It is essential to discontinue swaddling (STAGE 1) as soon as the baby starts showing signs that they can begin to roll, typically occurring between 4-6 months but potentially sooner for some babies. At this point, we recommend transitioning to our 2-IN-1 Swaddle Transition Sleep Bag (STAGE 2), which is specifically designed for rolling babies. For more information, please visit our product page sleepycompany.com/shop/transitionsleepbags

• Always follow safe sleep recommendations from children's health care professionals.

In Australia, all children’s sleepwear is legally required to carry a fire warning label under the AS/NZS 1249:2014 safety standard.

The label serves as a reminder for parents and caregivers to keep babies and children away from fire and heat sources. It is a standard requirement across all compliant sleepwear.

Fire hazard labelling as per AS/NZS 1249:2014

WARNING - HIGH FIRE DANGER KEEP AWAY FROM HEAT AND FLAME