A breathable merino wool technical top designed to naturally regulate your temperature, control odor and keep you comfortable when you&&';;re working hard in the widest range of conditions. Made with Responsible Wool Standard (RWS) wool certified by Control Union (TE-00052557). Patagonia blends the RWS wool with 35% recycled polyester for versatility and performance. The purchase of RWS-certified products demonstrates demand for better animal welfare practices and responsible land management in the wool supply chain. Made in a Fair Trade Certified(TM) factory. Specs and Features Soft, comfortable, next-to-skin fabric blend wicks moisture, dries fast, naturally regulates your temperature and resists odor Set-in sleeves for enhanced movement and fit Side vents with slight drop tail RWS-Certified Wool: The Responsible Wool Standard verifies wool animal welfare and land management requirements and tracks it from farm to final product Back-neck yoke with hanger loop Woven P-6 logo at left hem This Product Made in a Fair Trade Certified(TM) factory, which means the people who made this product earned a premium for their labor Made in Sri Lanka Weight 113 g (4 oz) Materials 3.5-oz 65% Responsible Wool Standard (RWS)-certified wool certified by Control Union (TE-00052557)/35% recycled polyester jersey The RWS verifies wool animal welfare and land management requirements and tracks it from farm to final product Fabric is certified as bluesignA(R) approved Made in a Fair Trade Certified(TM) factory Care Instructions: Machine Wash Cold Gentle Cycle, Do Not Bleach, Dry Flat, Do Not Iron