4 Season Merino Wool Baby Sleep Bag will keep your baby at a perfect temperature all year round. That means there’s no need to worry about which weight sleep sack to use, or whether your baby will be too hot or cold while sleeping – they’ll always be just right!

It’s 100% natural, fully machine-washable, and is excellent value, as it comes in one universal size that fits babies from 2 months to 2 years. This is the only sleep bag your child will need, right up until they turn two.