The Patagonia Men&';s Cap Cool Merino Graphic Shirt is a technical top designed for maximum performance and comfort. Made with a blend of Responsible Wool Standard (RWS) merino wool and 35% recycled polyester, it offers superior breathability, moisture-wicking properties, and natural odor control. Whether you&';re hiking, biking, or engaging in outdoor activities, this shirt will help regulate your body temperature, keeping you comfortable in a wide range of conditions. Patagonia&';s commitment to animal welfare and responsible land management is reflected in their use of RWS-certified wool, which ensures that the wool is sourced from farms adhering to high animal welfare and environmental standards. This shirt is built for mobility and features a slim fit with set-in sleeves, ensuring freedom of movement during active pursuits. The fabric dries quickly, making it an ideal choice for strenuous activities, while side vents and a drop-tail hem provide additional ventilation for increased comfort. Made in a Fair Trade Certified(TM) factory, the purchase of this product helps support better labor practices. Key Features: Performance Fabric - Blended merino wool and recycled polyester for breathability, moisture-wicking, and odor control. Built for Mobility - Set-in sleeves and a slim fit for enhanced movement and comfort. RWS-Certified Wool - Responsible Wool Standard certification ensures ethical sourcing of wool.