DESCRIPTION

Originally conceived as a prototype for weight-obsessed alpinists, the Patagonia Men's Nano Puff Pullover is now a go-to layering piece everywhere from Indian Creek to the Himalaya. This sleek pullover provides maximum warmth in a minimalist designthrow it on at chilly morning belays, then pack it up in its chest pocket and clip it to your harness when you get down to business. The Nano Puff also makes an ideal mid-layer for frigid backcountry ski tours. Patagonia combined a windproof and water-resistant recycled polyester shell with 60 grams of highly compressible PrimaLoft One insulation to give you the most warmth and protection for the lowest weight.