All aden + anais sleeping bags are available in different weights to suit what's best for your baby. The light weight Classic sleeping bags are 0. 6 tog and the bamboo sleeping bags are 0. 4 tog which are ideal for warm summer nights. The Cozy sleeping bags are 1. 7 tog and would be great for year round, whilst the Cozy Plus are ideal for cold winter nights with a 2. 5 tog. Choose from plain or patterned sleeping bags for girls and boys.