I love the Kyte products! They are made from organic bamboo cotton and are so so so soft. We've been using the sleep bags since about 3 months. It keeps my little guy warm and still gives him the freedom to roll around and move his legs. They come in three different heat ratings so they will be kept the right temperature all year round. They retail for about $70 - but the sizes are 0-6mos then 6-18 mos so you get a lot of use out of them. The patterns they come in are very cute as well.