Now available in our Phase.SC™ concealment patterns, Blowdown and Harvest, the 1/4 Zip Mock Neck is the feather-light companion for folks on the move. Revel in comfort and style with this adaptable athletic top, your key to warding off brisk dawn chills or weathering high-altitude adventures. Crafted from a new blend of lightweight fabric, it's precision-engineered to offer the perfect synergy of protection, breathability, and resilience. The Mock Neck style allows you to vent heat easily while also allowing for bulk-free layering when you need it. Choose this top for effortless comfort, versatility, and 4-season performance. weather activity features DUAL SURFACE™ Precision Blended Wool Phase.SC™ Concealment Technology Fabric Weight: 157 g/m2 Garment Weight: Men's L = 168 g (0 lb. 5 oz.) Fabric Made in USA | Garments sewn in Pagosa Springs, USA