A combination of WINDSTOPPERR and stretchy, breathable VistrasariTM fabric in a performance vest for high output activities in cold conditions. High octane performance forward vest combines WINDSTOPPERR fabric in the front and across the shoulders for weather resistant, windproof protection, with VistrasariTM stretch material in the back to increase air permeability and mobility. Just the Essentials: Every feature on the Trino Vest is selected for high output activities. Stash pockets in the rear are designed for grabbing energy foods or other small essentials without breaking stride, and the internal pocket with media port securely holds a media player, license or credit cards. The drop hem at the back provides added coverage, and the collar is brushed for softness. Freedom: Freedom gets elevated with Arc teryx anatomical shaping creating a vest that is designed to move with the body at a high rate of output over long distances. Technical Features: Moisture resistant outer face fabric Highly breathable maintains comfort during aerobic activity Lightweight Quick drying Wind resistant DWR finish Durable Water Repellent helps repel water from fabric surface Stretchy fabric allows you to move more freely Anatomical shaping for fit and comfort Soft brushed lined collar Locking zipper pulls Full front zip with chin guard and wind flap Drop back hem Internal MP3keycard pocket with audio port Two rear pockets with angled access Reflective blazes for enhanced visibility in low light Materials: P50k WINDSTOPPERR VistrasariTM 90% polyester, 10% spandex, 230 gm . High stretch knit fabric with a smooth face and brushed thermal back features enhanced wicking for comfort and thermal efficiency.