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 Men's R1 Air Fleece Midlayer Crewneck in Marlow Brown, Large - Recycled Polyester/Nylon