Patagonia Men's R1 Air Vest The R1® Air Vest is a lightweight, highly breathable and quick-drying technical fleece core-warmer for cool conditions. Perfect for boosting warmth without restricting the shoulders and arms, and built with 100% recycled polyester fabric for comfort on the move. Made in a Fair Trade Certified™ factory. Slim Fit Style No. 40285 - 100% recycled polyester jacquard fleece with hollow-core yarns wicks moisture, dries fast and is highly breathable for cool-weather activities - Zigzag-knit pattern increases airflow and minimizes bulk for breathable, compressible performance - Breathable full-zip vest with a slim fit is built for a full range of motion - Off-shoulder seams sit comfortably under pack straps - One zippered left-chest pocket stashes small items; two front pockets with minimal zippers for reduced bulk - Quick-drying woven binding at the back hem and armholes for added stretch and improved fit - Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor Weight : 240.97 g (8.5 oz) Fabric : 5.7-oz 100% recycled polyester jacquard fleece with hollow-core yarns. Fabric is certified as bluesign® approved. Made in a Fair Trade Certified™ factory