body fabric is GOTS-certified 100% organic cotton; velveteen trims at top and bottom of feet are polyester pairs perfectly with our velveteen wrap kimono and vest for the cutest little outfit features a beautiful, pearlized, chrome/lead/nickel-free faux snap at waistband for an heirloom feel soft elastic waistband for a comfortable, secure fit thoughtfully designed with elastic on back of ankles for a stay-in-place fit tagless for added comfort against baby's skin azo-free, non-toxic, eco-friendly dyes