The Polartec® Power Stretch Pro baselayer done with Arc’teryx attention to detail the Arc'teryx Rho Heavyweight Men's Zip Neck pairs back to Arc’teryx colorways to create a coordinated look to your outdoor capsule wardrobe. A durable nylon face fabric with a brushed interior this fabric wicks moisture to allow your core to stay dry and comfortable even when you’re working hard in the cold. A deep front zip for rapid venting when you need it, and a zip chest pocket for securing life’s little essentials, with performance stretch and articulated patterning for mobility depending on how you choose your size this is a fitted next to skin heavyweight baselayer for the cold days, or, sized up, can be worn both as a next to skin baselayer or as a light midlayer for added versatility. Either way, for winter sports, spring biking, and summer summits this is a versatile heavyweight fleece with a comfortably high collar, deep front zip, and the smooth face fabric that makes gliding into another layer smooth and easy. A nicely stretchy layer for all your cool and cold weather sports where core comfort is a priority.