Lightweight and warm, the Baby Nano Puff® Jacket is windproof and water-resistant and handles fickle climes by combining a 1.6-oz 30-denier 100% recycled polyester mini-ripstop shell and a 100% polyester plain-weave lining, both with a DWR (durable water repellent) finish. In between there’s ultralight, compressible 60-g PrimaLoft® Gold Insulation Eco (55% recycled) that has a high warmth-to-weight ratio for steady, all-day toastiness. Additional cold-weather features: 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. Hand-me-down ID label. Lightweight, windproof shell fabric has high tear-strength, a DWR (durable water repellent) finish and is made of 100% recycled polyester Warm and incredibly lightweight 60-g PrimaLoft® Gold Insulation Eco 100% polyester (55% postconsumer recycled content) insulation Unique quilt pattern holds insulation in place Full-length zipper with zipper garage, reflective webbing pull and an internal wind flap; two zippered handwarmer pockets with reflective webbing pulls Spandex binding at sleeve opening for a secure fit Hand-me-down ID label 147 g (5.2 oz) Size & Fit Regular Fit Size Chart Materials Shell: 1.6-oz 30-denier 100% recycled polyester mini-ripstop. Lining: 2.2-oz 100% recycled polyester plain weave. Both with a DWR (durable water repellent) finish. Insulation: 60-g PrimaLoft® Gold Insulation Eco 100% polyester (55% postconsumer recycled content). Lining fabric is certified as bluesign® approved