Great piece from Patagonia! Excellent condition, only worn a handful of times. The R1® Air Zip-Neck is a lightweight, breathable and quick-drying technical fleece for high-exertion activities in cold conditions. The fabric is made of 100% recycled polyester and is structured for comfort during movement. Lightweight, Breathable, Technical Fleece Fabric The 100% recycled polyester jacquard fleece with hollow-core yarns features a unique zigzag texture that wicks moisture, dries fast and is highly breathable for high-output activities Offset Shoulder Seams Off-shoulder seams sit comfortably under pack straps Zippered Chest Pocket Left-chest pocket for easy stashing of small items; minimal bulk makes for a great layering piece Soft Cuffs and Hem Quick-drying woven binding at the back hem and cuffs for added stretch and improved fit Zip-Neck Design Half-zip for added venting Supporting the People Who Made This Product Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor