Steelhead stalker by day, film festival critic by night. For your ever-changing identities, keep the Boys's Capilene 4 Expedition Weight Zip Neck from Patagonia handy. A cozy, snug-fitting collar and a deep zipper backed by a draft flap allows for handy internal climate control; biometric construction provides a superior, contoured fit with no bulk. Fine thread detailing and flat seams offer a touch of elegance and a smooth hand. The discreet, angled zippered chest pocket is easily accessed beneath bibs or a rain shell. Made of 50% recycled (and 100% recyclable) polyester from Patagonia's Common Threads Recycling Program, with Gladiodornatural odor control. Imported. Common Threads Recycling ProgramResearch shows that the environmental impact of recycling worn-out Capilene base layers into new polyester fiber is significantly lower than making that same fiber from virgin materials. Taking into account that worn-out garments are diverted from trash incinerators, making new polyester fiber from recycled garments results in an energy savings of 76% and a CO2 emissions [greenhouse gasses] reduction of 71%, versus creating that fiber from new raw material. Capilene Core PerformanceCapilene base layers afford quick-drying, next-to-skin moisture management for all activities in all conditions ? from high-altitude bivies to sun-soaked H2O sports.