Patagonia M's R1 Air Crew : Style 40236 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. Style No. 40236 CLMB - Body fabric is made from 100% recycled polyester jacquard fleece with hollow-core yarns and wicks moisture, dries fast and is highly breathable for cool-weather activities - Zigzag-knit pattern increases airflow and minimizes bulk for breathable, compressible performance - Long-sleeved crewneck with a regular fit - Off-shoulder seams sit comfortably under pack straps - One zippered left-chest pocket for stashing small items - Quick-drying woven binding at the cuffs lies flat at the wrists for improved fit and durability - Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor Weight: 277.83 g (9.8 oz) Fabric : 5.7-oz 100% recycled polyester jacquard fleece with hollow-core yarns. Fabric is certified as bluesign® approved.