Unleash the power of nature styling the Arc'teryx® Ionia Merino Wool Long Sleeve-a must-have for mountain adventurers. This crew neck, long-sleeve essential combines the softness and natural temperature regulation of Merino wool with the durability of a nylon core. Designed for versatility, it offers superior moisture management and odor resistance, keeping you fresh on every trek. The regular fit and articulated patterning ensure unrestricted mobility, whether worn as a base layer or on its own. Experience unmatched comfort and performance in every climb, hike, or outdoor pursuit with this pull-on wool-blend tee.