Designed to be mixed and matched with the brand's other layers for sleep, this romper is so sweet you'll want to use it during the day, too. The 1.0 TOG rating makes it an ideal moderate-weather layer and the zip-around closure makes diaper changes easy. Includes room thermometer and what to wear guide to help bundle baby appropriately for sleep Front zip-round closure 1.0 TOG suited for room temperatures between 70-75°F 67% viscose, 28% organic cotton, 5% elastane Machine wash, tumble dry Imported