The R1® Air Zip-Neck is a lightweight, highly breathable and quick-drying technical fleece for cool conditions. The quarter-zip offers venting and easy layering, and is built with 100% recycled polyester fabric for comfort on the move. Made in a Fair Trade Certified™ factory. WLWT | Style No. 40251 Fit Slim fit Airy, Warm and Breathable Fabric - 100% recycled polyester jacquard fleece with hollow-core yarns wicks moisture, dries fast and is highly breathable for cool-weather activities; with a slim fit Lightweight and Compressible Zigzag Knit - Zigzag-knit pattern increases airflow and minimizes bulk for breathable, compressible performance Offset Shoulder Seams - Off-shoulder seams sit comfortably under pack straps Pocket Features - One back-right zippered pocket stashes small items without interfering with harness or pack lines Soft Cuffs and Hem - Quick-drying woven binding at the back hem and cuffs for improved fit and durability Zip-Neck Design - Quarter-zip for added venting and easy layering