Body Outer: 100% Organic Cotton / Side Panels: 95% Organic Cotton & 5% Elastane GREAT FOR BOYS & GIRLS: The ergoPouch Sleep Suit Bag is a perfect next step after the swaddle stage. Its zippered design stays cozy around the foot area whether you use it as a bag or convert it to a bodysuit. It??s available in many gender-neutral, unisex patterns that are perfect for both boys and girls. It??s great for passing down to younger siblings! CONVERTABLE FROM BAG TO SUIT: This sleeping bag uses zippers to convert into a footed bodysuit with legs. It doesn??t matter if you need a comfortable sleeping bag for your baby or a cuddly soft sleepsuit for an older child who wants to freely move their legs ?? all it takes is a quick zip to switch it back and forth. COOL BABY SHOWER GIFT: This unique ergoPouch Sleep Suit Bag made from beautiful & soft organic cotton is an excellent gift for new and expecting parents. They??ll be all set for cozy and comfortable napping and night time sleeping for their little one. Unlike many sleep sacks, this one is customizable to different needs. 4 CONVENIENT SIZES: We carry the Sleep Suit Bag in 4 sizes for babies, toddlers, and young children so little ones of all ages can nap and sleep through the night in comfort. We have sizes in 2?C12 months (31.5??), 8?C24 months (35??), 2?C4 years (41??), and 4?C6 years (49??). Measurement is from shoulder to toe. The Sleep Suit Bag can be worn over regular clothes or pajamas. TOG RATINGS: Sleep Suit Bags are available in 3 TOG ratings to choose from based on the season and temperature. 3.5 and 2.5 TOG suits (with thermal long sleeves) are great for winter and camping, while 1.0 and 0.3 TOGS (short sleeves) are ideal for the warm and medium-temperature months. You shouldn??t need any extra blankets, which is the best way to keep your child safe as they dream.