Merrell CopperTec™ combines two of nature’s most technically useful materials into the ultimate base layer fabric technology in the Spark Half Zip. Our Merrell CopperTec™ shirt collection blends soft Merino wool with the known benefits of Copper, an essential element for human life, to create a naturally anti-odor, moisture wicking shirt for high energy outside pursuits.

Men’s Sizes: S-XXL

• Merrell CopperTec™ fabric is soft, lightweight, moisture-wicking, and naturally hygienic for less odor and more comfort


• 66% Merino Wool, 34% Nylon


• Active fit, 1/2 zip mock for maximum comfort and flexibility


• 50 UPF