3 Seasons Sleeping Suit
3 Seasons Sleeping Suit
3 Seasons Sleeping Suit
3 Seasons Sleeping Suit
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3 Seasons Sleeping Suit

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Wow, our beloved Woolbabe merino/organic cotton blend sleeping bags have grown legs! Your toddler is ready to go and so is our 3-Seasons Sleeping Suit. Don’t you wish you could wrap up in a cosy onesie all day? Just because your little person wants to be active it doesn’t mean they can’t be wrapped up cosy at the same time.This innovative design still keeps the most-loved properties of our renowned Woolbabe 3-Seasons sleeping bags and offers a safe sleep solution for toddlers and preschoolers who no longer wear a sleeping bag. You'll have peace of mind that they can't trip over in their suit and can get in and out of bed safely.    

The Woolbabe 3-seasons suit is made from 2 layers of merino + organic cotton jersey fabric, which is soft and smooth against sensitive skin. The merino wool component still provides the qualities which react to changes in body temperature, ensuring a constant body temperature and encouraging everyone to have a good night’s sleep. This is a very versatile sleeping suit is ideal for most of the year. Just vary the clothing inside the suit or use just with a nappy in the warmer months.  Like our 3-seasons sleeping bags, this suit is designed for rooms 18 to 28 degrees.  

The long cuffs mean they can be pulled down to cover little feet on cooler nights or roll them up to wear with Lamington or Icebreaker merino socks. This also extends the product life as the cuff won’t be frayed through and it allows for those sudden growth spurts!



  • Safe for children who are walking or climbing
  • Exclusive Woolbabe merino + organic cotton fabric
  • Roomy fit with space for layering under the suit
  • Helps to regulate temperature
  • Safe sleep - use without any additional bedding 
  • Zero waste  - packaged in a reusable cloth bag
  • Comes with a room thermometer & clothing guide
  • Has domes under the arms for a snug fit

Sizing Chart


Size Shoulder to crotch Chest Armhole Hip Thigh Cuff Inside leg Suitability
6-12 months 48cm 64cm 30cm 72cm 28cm 22cm 27cm Weight 8-10kg, Height 76cm
1 year 54cm 68cm 32cm 76cm 30cm 24cm 28cm Weight 10-12kg, Height 84cm
2 years 61cm 72cm 34cm 80cm 32cm 26cm 28cm Weight 12-15kg, Height 92cm
3 years 67cm 76cm 36cm 84cm 34cm 28cm 29cm Weight 15-17kg, Height 100cm
4 years 74cm 78cm 38cm 86cm 36cm 30cm 29cm Weight 17-18kg, Height
5 years 80cm 80cm 40cm 88cm 38cm 32cm 30cm Weight 19-20kg, Height 115cm
About our sizing -
All Woolbabe Sleeping Bags and Sleeping Suits have underarm snaps for a better fit when you start using a sleeping bag or when between sizes.
Is there any stretch in the legs? We have given them the stretch test and would say they can stretch up to 20% beyond the measurements outlined above. 
Sizing is true to size - If in between sizes please refer to the guide and measurements above.

Height/Length - Our height measurement doesn't include a child's head and neck length. Standing straight with a flat foot measure from the base of the heel up to either the top of the shoulder. You may find it easiest for younger children to stand with their back to a wall to do this. Make a small pencil mark on the wall at either the top of the shoulder or head and ask the child to step away before measuring from the floor up to the pencil mark.
Body length - Measure from the centre back of the neck line to the base of the crotch in a straight line.
Chest - Place tape measure under the arms and measure around the chest at the fullest part until your fingers meet.
Hips - Measure below the waist at the fullest part of the hip bringing the tape measure round until your fingers meet.
Inside leg - With a flat foot, measure from the heel of the foot, up the inside of the leg to the crotch. Inside leg may sometimes be referred to as the inseam.
Please note - Measurements are taken when garments are laid flat. Areas such as chest, hips, armhole, thigh and cuff are calculated at twice the width to get the full measurement.