evo.com | Columbia One Piece Suits > Bundling up a baby shouldn't require an engineering degree, which is why the Columbia Pike Lake(TM) Suit keeps it simple: recycled polyester insulation and an Omni-Heat(TM) reflective lining for warmth, two full-length zippers for fast diaper changes, and stretchy cuffs that grow with those newborn rolls. 100% Recycled Polyester 100% Recycled Polyester Thermarator(TM) Insulation Combines the look and feel of down with the resilience of synthetic insulation to deliver more warmth and less weight. Omni-Heat(TM) Reflective Lining | 100% Polyester Silver dots reflect and retain body heat for enhanced lightweight warmth. Regular Fit Universal, easy fit for comfortable range of motion. Adjustable, Partial Elastic Hood Cinches in Back | Kid's Columbia Pike Lake(TM) Suit Infants' 2027 - 18-24M Pink | Polyester