Monica & Andy Olaf pajama top & bottom little boys.

100% organic cotton long sleeve shirt + long legging-like pants lead, phthalate, and flame-retardant free GOTS certified; the leading environmental standard for organic textiles machine wash; tumble dry low wear snug fitting; not flame-resistant Size up!! The comments on the website all say they are super snug and so this 6/7 should fit a 4/5