PurFlo Cuddle to Sleep Bag 2.5 TOG Baby Sleep Sack 3-12 Months Breathable, Lightweight, and Safe Sleeping Bag for Babies Toddler Wearable Blanket Grey; Can be worn in rooms with a temperature of 14°C – 22°C (see the what to wear guide on how to dress underneath), Popper up length to grow with baby, Breathable panels on back of neck and torso to help keep baby at a safe and comfortable temperature, Two-way zipper for easy nappy changes, Zip guards to protect delicate skin color: Grey