Ergopouch Cocoon Swaddle Bag 1.0 Tog1. 0 tog sleeping bag is the perfect swaddle bag for room temperatures between 21 24C+. With a two way zipper it makes it easy to change the nappy in the middle of the night. Made with natural fabrics and fibers that makes this pouch soft and breathable on baby's skin. This will allow baby to sleep better when they are comfortable in fabrics that keep their bodies at an even temperature, Natural fabric and fibers means they avoid discomfort and