Features: Wear it as a pullover in cool, dry weather, or as an insulating layer beneath a shell jacket when it's cold and wet out Nano blocks wind, sheds snow and traps heat, even when wet; 60g PrimaLoft One is incredibly warm, low-bulk, compressible and hydrophobic Deep-venting half-zip has a soft, wicking interior stormflap and zipper garage Recycled ripstop polyester glides effortlessly when worn with other layers; Durable Water Repellent finish fends off light rain showers and snow Classic brick quilting pattern through the torso and waist with narrow horizontal quilting at the side panels adds shape; burly thread adds durability Packs down to practically nothing and stuffs into the single chest pocket that has a carabiner clip-in loop Elasticized cuffs and hem seal out wind and trap warmth The women's Patagonia Nano Puff pullover has a regular fit