Patagonia R1® Air Crew is a lightweight, breathable, quick-drying technical fleece, ideal for high impact aerobic activities in low temperatures. The 100% recycled polyester fabric is structured for maximum comfort of movement. Garment manufactured in a Fair Trade Certified™ factory. Jacquard jacquard fleece fabric of 100% recycled polyester and hollow-core yarns, featuring a special zig-zag texture, helps wick moisture away, dries in a flash, is highly breathable and is ideal for any intense physical activity Deflected shoulder seams prevent chafing under the backpack shoulder straps for increased comfort Left chest pocket for easy storage of small items; the garment's small volume makes it ideal for wearing with other layers Quick-drying stitched edge on cuffs and back hem for greater flexibility and improved fit Concrete support for the workers who made this productGarment made in a Fair Trade Certified™ factory: this certification indicates that Patagonia has paid a cash bonus to the workers who made this product Patagonia M's R1 Air Crew Men's polaire technique homme