Patagonia's Pack-In jacket is a year round staple due to it's lightweight, breathable feel with thermolite insulation and weather resistance. It features two zippered hand pockets, one of which doubles as a stuffsack so you can pack the jacket away for easy travelling, and weather-sealing binding on the cuffs, hem and collar. Perfect to layer up in colder seasons, or as a quick waterproof warmer in milder climes. Shell: 3.7-oz 91% recycled polyester/9% spandex solid plain weave with a DWR (durable water repellent) finish Lining: 2.3-oz 100% recycled polyester double knit with MiDori®bioSoft for added wicking and softness, and HeiQ® Fresh durable odor control Insulation: 60-g THERMOLITE® 100% polyester (40% recycled) with four-way stretch Patagonia Men's Pack-In Jacket in Basin Green