aden + anais essentials 1.0 TOG sleeping bag can t be kicked overhead by tiny toes and does away with loose blankets in the cot, creating a peaceful night`s sleep for baby and you. Made from a single layer of soft, breathable 100% cotton muslin, the sleeping bag s open weave helps reduce the risk of overheating, offering just the right amount of comfort during summer nights and daytime naps. Made to be worn over pyjamas, it can also be layered with warmer sleepwear for cooler temperatures. TOG: ideal for warmer weather and rooms with an ambient temperature of 24 - 27°C Safe: replaces loose blankets for safer sleep; British safety standard approved Easy: zips open from the bottom for easy night time changes and is machine washable Size guide: 0-6 month: 51-69cm, 3 – 8.5kg, 6-18 months: 69cm-84cm, 8.5 -11.5kg, 18-36 months, 84-98cm, 11.5-15.5kg