The R1 Air Crew is a lightweight, highly breathable and quick-drying technical fleece for cool conditions. The classic crewneck silhouette and regular fit is easy to layer or stuff into your pack, with 100% recycled polyester fabric for comfort on the move. Made in a Fair Trade Certified™ factory. Patagonia Mens R1 Air Crew Features: Body fabric is made from 100% recycled polyester jacquard fleece with hollow-core yarns and wicks moisture, dries fast and is highly breathable for cool-weather activities Zigzag-knit pattern increases airflow and minimizes bulk for breathable, compressible performance Long-sleeved crewneck with a regular fit Off-shoulder seams sit comfortably under pack straps One zippered left-chest pocket for stashing small items Quick-drying woven binding at the cuffs lies flat at the wrists for improved fit and durability Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor