The ergoPouch Pajamas are made from Organic Cotton and are super stretchy. The 3-way zipper is made for easy diaper changing and nighttime bathroom visits. They can be mixed and matched underneath our range of Swaddles and Sleep Bags for year round comfort. - Made with Organic Cotton - Three-way zip - Foot and hand cuffs - Zip enclosure protects child's delicate skin - TOG-rated | ergoPouch Organic Cotton Pajamas Long Sleeve Sleeper 0.2 Tog Modern