Bugaboo Performance Winter Footmuff Dune Taupe Baby Sleeping BagThe outer fabric is made from a high quality, durable water repellent material and finished with waterproof zippers which keeps its performance function after years of use. Thanks to the removable responsibly sourced down filling, it can be adjusted to fit warmer days. The Bugaboo performance winter footmuff is your most trusted, high performance winter accessory to keep your baby warm, dry and comfortable on even the coldest and wettest days.