The padded Winter Onesie is a winner for parents who want to keep their toddlers and preschoolers warm all night even if the blanket comes off. This item is also perfect for those cold walks in a stroller or pram, for the wriggly worms who don't like a sleeping bag, transitioning from cot-to-bed, toilet-training toddlers, and sleepwalking zombies who climb into your bed at 3 am in the morning because they're cold.We've listened to your feedback and introduced NEW sizing for this season, starting from 6-12 months and going up to 4-5 years*. The new Winter Onesies have a more roomier fit, so you can layer pyjamas underneath for extra warmth. Available in our exclusive and limited Nature Collection prints this season, grab yours before they sell out!The 2.5 TOG Winter Onesie comes is made from super-soft organic cotton outer and filling, and bamboo-cotton blend arms for stretch and warmth. Designed for use in room temperatures between 17°C and 23° (63° and 73°F).Jersey Fabric – A type of breathable, lightweight and low maintenance fabric that is knitted in a way to allow for stretch in all directions plus keeping the wearer comfortably warm.Wear on its own – A great choice to keep your child warm, even if they kick blankets off. Designed to be worn on its own, without the need for a sleeping bag.TOG rated – 2.5 TOG is designed for winter when temperatures in your child’s room are between 17°C and 23° (63° and 73°F).3-way zipper – getting your mini in an out of this warm onesie is so easy. Even more, quick nappy checks and changes are a breeze, as is midnight toileting for the those toddlers-in-training.Fold over Cuffs + Mitts – The cuffs on the feet and mitts on the hands keep the warmth in. Mitts are available up to 2-3 year size.Organic Cotton + Bamboo – using a natural fibre is so skin friendly as it promotes breathability, prevents those sweaty feels and creates longer sleeps (hooray!).Stretchy – blending with 5% elastane means we can achieve a very comfortable onesie for your baby to sleep in.If your child is in between sizes, we recommend sizing down in this style.We recommend pairing this product with an under-layer from our Layers range. Please see our What to Wear Guide for more information on dressing your baby for the appropriate room temperature.We suggest not to wear the Winter Onesie underneath a sleeping bag or sleep suit bag. The Winter Onesie meets all safety standards in Australia and New Zealand.*Based on the average percentile.