Lightweight and super warm, the Baby NANO PUFF Jacket from Patagonia is windproof and water-resistant and designed to handle tricky climates. It combines a recycled polyester mini-ripstop shell and a polyester plain-weave lining with a durable water repellent finish for full weather protection. It uses ultralight, PrimaLoft Gold Insulation Eco that has a high warmth-to-weight ratio for steady, all-day warmth. It also features a full-length zipper with internal wind flap and zipper garage, zippered handwarmer pockets with reflective pulls, and stay-put spandex binding at sleeve openings and hem for a secure fit and full winter functionality. Lightweight Windproof shell fabric Durable Water Repellent (DWR) finish 100% recycled polyester PrimaLoft Gold Insulation Eco Full-length zipper w/ zipper garage Reflective webbing pull and internal wind flap Two zippered handwarmer pockets Spandex binding at sleeve opening Size: 6-12 months, true to size Excellent used condition, no flaws. RARE color and sold out online!