The dress is gathered at the waist to give it extra fullness. It has a back zip closure. This Molo product is GOTS certified organic, which means that it is made with certified organic materials and produced under the strictest social and environmental standards throughout the entire manufacturing process. In addition, the GOTS certification secures that the product is free of hazardous chemicals. This Molo product is GOTS certified organic by Ecocert Greenlife.