The 1 TOG ergoPouch Organic Winter Long Sleeved Sleep Onesie in Grey Marle is ideal for your little one if they are refusing to use a sleeping bag. This relaxed fitting onesie is suitable for little ones from 6 months up to 3 years, who prefer sleepwear with freedom to move. A perfect piece if your toddler is toilet training or ready to move from their cot into a bed.