Patagonia's Nano Puff Jacket is has a wind- and water-resistant shell with incredibly lightweight, warm-when-wet PrimaLoft Gold Insulation Eco polyester (55% recycled).

• Lightweight, windproof shell fabric has high tear-strength, a DWR (durable water repellent) finish and is made of 100% recycled polyester
• Warm, incredibly lightweight 60-g PrimaLoft Gold Insulation Eco 100% polyester (55% recycled)
• Unique quilt pattern holds insulation in place
• Full-length zipper with internal wind flap, zipper garage and reflective webbing pull
• Two zippered handwarmer pockets with reflective webbing pulls; internal zippered chest pocket doubles as a stuffsack
• Spandex binding at sleeve opening for a secure fit
• Hand-me-down ID label
• 312 g (11 oz)
• Shell Materials: 1.6-oz 30-denier 100% recycled polyester mini-ripstop.
• Lining: 2.2-oz 100% polyester plain weave.
• Both with a DWR (durable water repellent) finish.
• Insulation: 60-g PrimaLoft Gold Insulation Eco 100% polyester (55% recycled).
• Lining fabric is certified as bluesign approved