Fits small, order one size up; The boys' bamboo sleeper is made from buttery-soft, tag-free bamboo fabric—gentle on sensitive skin. It features fold-over mittens, foot cuffs, and a double zipper for easy changes. Designed for a snug fit; size up for extra comfort.; Snug fit meets all CPSC safety regulations, without the use of flame-retardants or harsh chemicals; WARNING: Not flame resistant. Wear snug-fitting to help keep children safe.; Imported