1.0 TOG Sleep Sack - Midnight Blossom
Why 20000+ parents choose Belan.J
More Room to Move. More Nights of Real Sleep.
Babies who can stretch, kick, and roll freely sleep more soundly, and stay asleep longer. That's the whole idea behind the UltraWide™ Sleep Sack.
No more middle-of-the-night fussing from a sack that feels too tight. No more waking up because they can't find a comfortable position. Just the kind of freedom to move that lets your baby settle into real, restful sleep, and supports healthy hip and leg development along the way.
Designed by a mom who's been there.
As a mom of three with 12+ years in baby retail, Belan.J founder July kept hearing the same thing from parents: their babies wanted room to move, not a sack that pinned their legs together. So she designed one that gives them exactly that.
What that means for your nights
When your baby sleep better, you do too! You can rest so much better knowing that your baby will -
✓ Falls asleep easier: extra room to stretch, kick, and roll without feeling confined
✓ Stays asleep longer: no more waking from restriction or discomfort
✓ Supports healthy hip development: natural leg movement instead of forced-together positioning
✓ Stays comfortable all night: buttery-soft LuxeWeave™ Bamboo, gentle even on eczema-prone skin
✓ Stays cozy, not overheated: premium quilted filling, breathable for year-round use
✓ Easier for you too: two-way YKK zipper means faster diaper changes without a full wake-up
✓ Sewn-In Zipper Edges to Help Prevent Skin Irritation
Trusted by 20,000+ families who wanted a sleep sack that actually lets babies sleep and move, like babies.
Material Specs
✓ Premium LuxeWeave™ Bamboo Outer Shell (250 GSM)
Exceptionally soft, breathable, and gentle on delicate skin.
✓ 95% Viscose from Bamboo | 5% Spandex
Provides natural stretch for comfort and freedom of movement.
✓ Premium Quilted Filling
Lightweight insulation for cozy warmth without unnecessary bulk.
✓ UltraWide™ Signature Design
Extra room for babies to stretch, kick, and move naturally.
✓ Premium Two-Way YKK® Zipper
Makes diaper changes quicker and easier while providing lasting durability.
✓ Sewn-In Zipper Edges
Thoughtfully designed to help prevent irritation against baby's delicate skin.
✓ Machine Washable
Designed to maintain its softness and quality wash after wash.
Choose The Right Tog
TOG (Thermal Overall Grade) is a measure of how warm a sleep sack is. The higher the TOG rating, the warmer the sleep sack.
Choosing the right TOG helps keep your baby comfortable while they sleep without the need for loose blankets.
Remember that every baby is different. Some babies naturally sleep warmer or cooler than others, so always feel your baby's chest or back (rather than their hands or feet) to check if they're comfortable.
Which TOG Should I Choose?
Room Temperature Recommended TOG:
24–27°C (75–81°F) - 0.5 TOG
20–24°C (68–75°F) - 1.0 TOG
16–20°C (61–68°F) - 2.5 TOG
Shipping & Return
SHIPPING
Belan.J, a Vancouver-based company, offers shipping services within Canada, with FREE shipping on orders over $100, excluding remote areas. Orders are processed on business days (Monday to Friday, excluding federal holidays) and usually take 1 to 3 business days for processing, with delivery times varying from 3 to 5 business days, depending on the chosen service.
For international orders over $150, FREE shipping is available to the USA, taking approximately 2-3 weeks, while international orders may take around 20+ business days based on the selected service.
RETURNS
Belan.J has a 14-day return policy for items in their original condition, with a receipt or proof of purchase required. Customers can initiate a return by contacting the company. If the return is not due to an error on their part, customers are responsible for the return shipping costs.
Discounted items, sale/clearance items, and gift cards are final sale. For items purchased from retail stores, customers should contact the store directly for exchanges or returns.
Refunds are processed once returns are inspected, with the refund amount returned to the original payment method. Belan.J is not responsible for damages caused by washing and stain treatment, and pilling is not covered under warranty due to the nature of the fabric.
Read more:
Fabric Care
Bamboo fabric is cherished for its softness, breathability, and eco-friendliness, making it an ideal choice for baby clothing. However, it tends to develop pills due to the unique characteristics of bamboo fibers. To ensure your bamboo baby clothes stay in excellent condition and prevent pilling:
- Wash with care: Always follow care label instructions, using a mild detergent that is free of bleach or fabric softeners. Opt for gentle, low-temperature wash cycles to protect the delicate fibers.
- Avoid rough surfaces: Before washing, turn clothes inside out and avoid washing them with rough fabrics like towels or jeans, which can lead to friction and pilling.
- Air dry: Choose air drying over a tumble dryer to maintain the fabric's softness and prevent damage from high heat.
- Use a lint roller: If pills do appear, a lint roller or fabric shaver can easily remove them.
Furthermore, when washing bamboo baby clothes, steer clear of harsh detergents, fabric softeners, bleach, hot water, overloading the washing machine, aggressive cycles, long soaking, excessive sunlight, and wire hangers. Always adhere to care instructions to ensure your bamboo baby clothes remain soft and durable, providing comfort for your little one.
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Safety & Quality Assured
Every UltraWide™ sleepsack is independently tested to meet rigorous U.S. children's product safety standards. Our fabrics undergo strict flammability testing and are made entirely without chemical flame retardants, so you can shop with confidence knowing every detail is designed for safer, more comfortable sleep.
Why 20,000+ Parents Love our UltraWide™ Sleep Sack
Our signature UltraWide™ Design creates extra room for little legs to stretch, kick, and move naturally without feeling restricted. Combined with our premium fluffy filling and luxuriously soft LuxeWeave™ Bamboo, it creates a cozy sleep environment that babies love and parents trust.
Because when little ones sleep comfortably, the whole family rests better.
Designed by a Mom. Inspired by Parents
“As a mom of three and the founder of Belan.J, I've spent over 12 years helping families through my own baby stores, listening to parents every day about the products they loved, and the ones they wished were better.
One thing I heard time and time again was that many sleep sacks felt restrictive, leaving little ones with limited room to stretch, kick, and move naturally during sleep.
That's why I created the UltraWide™ Sleep Sack.
By designing a roomier bottom, babies have more space to move freely while staying cozy and comfortable throughout the night. It requires significantly more fabric than a traditional sleep sack, but I never saw that as an extra cost, I saw it as an investment in babies' comfort.
Because our little ones spend so many hours sleeping every day, every detail matters.
Since its very first launch, our UltraWide™ Sleep Sack has become one of parent’s most favorite products receiving thousands of comments and reviews. Knowing that families trust us to be part of their children’s bedtime routine is the greatest reward we could ever ask for!”
— July
Founder & Designer, Belan.J
Let customers speak for us
Loving these sleeps sacks, fabric is lovely and soft, the style is very nice, I really like the fit and the wider bottom. However I would make the zipper pulls bigger, I find myself searching for it, especially in the dark lol the zipper cover is also big and kind of floppy. The violet color is stunning. We have several items in this color and I just sized up our sleep sack.
I really can't wait to try the padded rompers! Hopefully they restock soon!
I can’t rave enough about our Belan J sleep sacks! From the first night we used it, my little one started sleeping longer and more comfortably — it’s honestly been a total sleep saver. The bamboo fabric is buttery soft, breathable, and perfectly regulates temperature, keeping my child cozy without overheating.
But, what I love most is how safe it feels — no loose blankets, just a snug, secure design that still lets my baby move freely. The quality is amazing, the zippers are smooth, and it washes up like new every time.
If you’re a parent looking for something that’s both safe and magical for sleep, this is it. It’s become a bedtime essential in our house — as soon as that sleep sack goes on, my son knows it’s time to settle. Honestly, it’s a staple in our routine now… and it’s even what I give for every baby shower gift too!
We have several 1.0TOG sleep sacs and our little guys loves them. They are warm but not too thick, have so much space for baby to move, and are very soft! Will keep buying these as baby grows!
We struggled for a while to find a sleep sack we truly loved, but then we came across Belan J, and I honestly can’t recommend them enough! From the amazing quality of their products to their exceptional customer service, everything about our experience has been wonderful!
Love it ! It has been versatile for our nursery in calgary that has a variety of temperatures.
I was looking to make a change because I felt like my baby was waking up cold with one TOG from a different brand. I DECIDED TO DO SOME RESEARCH AND I CHOSE THIS BRAND TO TRY. HAPPY I DID BECAUSE MY BABY SLEPT BETTER.
You need this sleep sack, I got one as a gift and have now purchased 3 more. It’s soft, the patterns are adorable it’s the softest thing ever and it’s perfect as part of bedtime and naptime routine.
Absolutely perfect and so much room for growing babies
Purchased the Misty Forest Ribbed Bamboo Sleep Sack and footed sleeper. It is so soft and I loved the print.
Love these sleep sacs. The amount of space around the legs is welcomed and my babes is so comfortable with the bamboo quilted fabric.
We are loving this gorgeous sleep sack for our LO! It's so wonderfully soft and easy to put on. Thank you!
The material is so soft and cozy
We love our Belan-J sleepsacks in this house. Our toddler does laps of his bed in his sleep and the wider bottom of these sleepsacks help him move around without getting stuck and tangled. The fabric is so soft and the zippers are great quality.
My toddler is obsessed with blueberries so when it was time to size up in sleepsacks we had to purchase this one. He loves it and so do I. The fabric is incredibly soft, the print is adorable and the zipper is great quality. We have had Belan-J sleepsacks since the newborn days and love that their sizes have accommodated his growth.
Beautiful print. Can’t wait to see my granddaughter in this.
Couldn’t chance this one selling out so ordered prior to birth.
The owls pattern is absolutely beautiful. One of my favourites. It will be a lovely gift for my grandson for Christmas.
These sleep sacks are amazing. So comfy and soft for baby and really cute designs. Highly recommend! We own 6 already in two sizes for when our baby grows.
I have now just gotten my third sleep sack from Belanj for my daughter and now in the largest size they have. I love how soft and cozy they are and how they have a wider leg area than most other sleep sack brands. The patterns are SO cute. Will always shop Canadian when I can help it and honestly, they make it worth it.
This is the sweetest sleepsack we have ever had. It is not too thick and keeps my baby cozy all night. I love how soft and dreamy it is.
The quilted material is so cozy feeling and I love that it gives my little one more space to kick!
We have had a couple of different sleep sacks but truly nothing compares to these! They are the absolute best. Only ones we use now :)
My little one sleeps so well when wearing this sleep sack! So soft and cozy. Love the dual zipper too!
This is one of our favourite sleep sacks. We were lucky enough to have one gifted to us at our baby shower and just had to get another!
Absolutely love this sleep sack! It feels like we are wrapping baby up in a cloud! Incredibly soft, silky and cozy! No second guessing if baby is dressed thanks to the fabulous breathable and temperature regulating fabric. The roomy design is a bonus! Love all the adorable prints!
The sleep sack is so perfect for my baby! It's super soft and cozy! The pattern is just too cute!
Absolutely love our sleep sacks. We don’t buy any other brand now.
I knew that I wanted to buy an excellent quality sleepsack for my daughter. This is such a lovely sleepsack with the ribbed detail and the dual zipper. Not having to find the zipper is a gamechanger! I bought the 18-36 months so it will last her a long time which makes the price worth it!
Super soft material, nice prints!
So soft! My baby loves it. Haven’t had it for very long, but my friend says these hold up amazing in the wash compared to other brands that tend to pill.
Our Fabric
A lot of thought and care goes into the making of our bamboo fabric. We work closely with our suppliers to deliver the best in Bamboo with a lush weight and unparalleled softness for your little one. Did you know we custom select our fabric weight (250gsm) to achieve the coziest, most comfortable sleep and daywear?
Our fabric offers exceptional durability and maintains quality wash after wash, all certified by OEKO-TEX. Our raw white viscose staple fiber and rayon filament yarn, derived from wood pulp, meet stringent human-ecological standards, including those for baby articles, as certified by STANDARD 100 by OEKO-TEX and ISO17050-1.
Why Bamboo?
- Hypoallergenic: Gentle on babies' sensitive skin, reduces the risk of irritation and rashes.
- Breathable and Thermo-regulating: Keeps babies cool in hot weather and cozy during colder days.
- Moisture-Wicking: Helps keep babies dry and prevent discomfort.
- Anti-Bacterial and Anti-Fungal: Naturally repels odor-causing bacteria, keeping babies fresh and clean.
- Eco-Friendly: Sustainable and renewable, grows rapidly without harmful pesticides or excessive water usage.
- Free from harsh chemicals: Safe for your baby and the environment.
Frequently Asked Questions
View allHow do I care for my Bamboo Clothing?
To keep your Bamboo looking and feeling great, we recommend washing with cold water on a delicate cycle, using gentle detergent. Avoid mixing other fabrics such as towels or denim that could increase abrasion and lead to pilling. Dry in on low heat or hang to dry in a well ventilated room.
Why is Bamboo a fabric great for kids with eczema and allergies?
Bamboo is like a superhero fabric for kids with eczema/allergies! It’s naturally hypoallergenic and anti-bacterial so it’s gentle on sensitive skin. Bamboo is also like nature’s temperature control - it’s fantastic at letting air through, preventing overheating and sweating. As we know, eczema doesn’t get along with moisture.
What TOG should I get?
- 0.5 TOG: This is the lightest option suitable for warm summer months or when the room temperature exceeds 24°C (75°F). It provides minimal insulation and is ideal for ensuring your baby doesn't overheat.
- 1.0 TOG: A versatile option that works well year-round, or for rooms with a stable temperature around 20°C (68°F). It provides a moderate level of warmth and can be paired with appropriate clothing layers.
- 2.5 TOG: The warmest TOG rating, recommended for standard room temperatures between 16°C and 20°C (61°F-68°F). It offers more warmth and is suitable for colder winter months or cooler nurseries. This can also be a good option for summer camping trips, when evening temperatures drop.
Where is Belan.J produced?
They are ethically made in China. Our manufacturing partners are a small family-owned business - just like us! They have a keen focus on quality control and detailed attention to materials. With a fair treatment of employees, safe and healthy working conditions and environmentally sustainable production process, they have created a positive impact in their local community.
How can I prevent pilling?
Pilling is a common problem with bamboo clothes, but there are steps you can take to prevent it. Here are some tips to help you keep your bamboo clothes from pilling:
Wash them inside out- Washing your bamboo clothes inside out can help prevent pilling.
Use a gentle detergent- Use a mild detergent that is free of bleach and fabric softeners. This will help preserve the bamboo fibers and keep your clothes soft.
Avoid the dryer- Hang or lay flat to dry, as bamboo fabric can shrink in the dryer. If you must use the dryer, use a low heat setting.
Brush them- Gently brushing your bamboo clothes with a soft-bristled brush can help remove any pilling that has occurred
What is GSM?
Understanding GSM (Grams per Square Meter) is essential for bamboo children's clothing, as a higher GSM offers several advantages:
- Durability: Higher GSM means denser fabric, enhancing durability for active kids.
- Warmth: Thicker bamboo with higher GSM provides better insulation for comfort in cold weather.
- Opacity: Higher GSM fabric offers better coverage and privacy, ideal for diapers or training pants.
- Softness: Higher GSM bamboo often feels even softer, adding to children's comfort.
- Absorbency: It typically offers superior moisture absorption, essential for baby clothing.
- Visual Appearance: Higher GSM fabric appears more substantial and luxurious, ideal for quality and style.
Investing in higher GSM bamboo clothing can provide durability, warmth, comfort, and style for your child.
What should I avoid when washing bamboo clothes?
To maintain the quality of bamboo baby clothes, avoid:
- Harsh detergents, use baby-safe ones.
- Fabric softeners, as bamboo is naturally soft.
- Bleach, which can weaken and discolor the fabric.
- Hot water, as it can shrink and damage bamboo.
- Overloading the washing machine.
- Aggressive washing cycles; use gentle settings.
- Long soaking, which weakens fibers.
- Excessive sunlight during drying.
- Wire hangers, which can stretch the fabric.
- Skipping care instructions; follow garment labels for specific care.