Little Bird, red-orange and cobalt blue. (TOG 2.5) An organic cotton production of our very first sleep sack, responsibly and carefully hand made in India. Softest organic cotton velour outside, 100% organic cotton jersey inside. GOTS certified, undyed and unbleached. Adjustable grow-with-me design to fit better for safer sleep. Each size folds and snaps in the back to fit smaller babies, then extend by 6 inches for much longer wear. Easy bedtimes and diaper changes with strong shoulder snaps and a reliable 2-way YKK zipper to open flat. Certified free of flame retardants, lead, and chemical dyes. Perfect all year round except the hottest days of summer. It's designed to keep your baby warm & cozy, sleeping better & longer.