Arc'teryx Phase AR Crew Long-Sleeve Shirt

Going through phases is simply a part of human nature, so prepare yourself for the extreme mountain temps in a day of riding with the Arc'Teryx Phase AR Crew Long-Sleeve Shirt. With plenty of bulk reduction from merrow stitch seams to Silkweight Phasic™ paneling in the underarms, this garment is meant to keep you as warm as possible with the least amount of material.