One-piece infant bunting

An infant bunting formed from a single die-cut blank of ultrasonically sealable fabric material, the blank being contoured to define a rectangular main section having opposing sides and provided with a lower extension forming a closure section and an upper extension whose corners are folded in and ultrasonically seamed at their abutting edges to form a triangular hood section, the opposing sides of the main section being folded over the infant's body, arms and legs in overlapping relation to form a pouch which is held together by at least one Velcro fastener having hook and loop components which are ultrasonically welded to the respective sides, the closure section being foldable over the pouch to lock in the feet of the infant and being held to the pouch by a Velcro fastener, one of whose components is ultrasonically welded to the closure section, the other to one of said sides, said fabric material having multiple layers including a core layer formed of thermal insulation and a band ultrasonically welded across the upper extension to seal the core layer to the other layers of the material and to define a living neck hinge.