Light, surprisingly warm and water-repellant, the Nano-Air Hoody has been a game-changer — I even wore it in Antarctica.

“This Nano Puff Jacket is top-notch as a top layer or under my Patagonia parka, too," another shopper said. "I gotta say, when riding the ‘cold smoke’ (aka snow), this thing puffs right along, keeping ...

We turned to Laura Kinman, product line director of women’s sportswear at Patagonia ... puffer vests for women who take seasonal layering seriously. Get through winter in style. The Nano ...