0.2 Tog. Taking the guesswork out of dressing your child for sleep, TOG rated Layers are designed to be worn underneath an ergoPouch swaddle or sleeping bag for extra warmth on cool nights. They can also be worn on their own as daywear. If you're unsure what to dress your baby in for sleep, you can check the suggested ergoPouch What To Wear Guide, taking the guesswork out of choosing TOG rated sleepwear depending on the nursery room temperature. Organic cotton and bamboo.