Inspired by runners, then refined to handle a wide range of high-output mountain activities, the Arc'teryx Cormac Crew Long-Sleeve shirt is designed for performance, sun protection and comfort. Updated with a new high-performance recycled fabric and a more comfortable collar design 100% recycled Phasic™ LT fabric wicks moisture, breathes, provides UPF 50+ protection and is treated for odor resistance Fabric has an excellent next-to-skin feel Fit maximizes airflow and moves with your body Low-profile collar layers comfortably Merrow stitch seam construction reduces seam size and irritation Strategically placed seams increase comfort and reduce chafing Articulated patterning for unrestricted mobility Long sleeves DAO™ anti-odor finish 50+ UPF rating Regular fit