The Arc'teryx Covert 1/2 Zip fleece well become your automatic reach when the sun sets with its Alpenex II™ fabric that delivers thermal efficiency without feeling bulky or stuffy. With a tall collar for extra warmth, articulated design that moves naturally with your body, and a deep front zip for quick venting or easy on-off, this versatile layer works equally well under a shell or on its own across changing seasons and conditions.