Designed with a focus on fast paced training, the Trino Jacket combines the weather resistant, windproof protection of WINDSTOPPERR with the air permeable stretch performance of VistrasariTM. Protection is focused in the front of the jacket. The chest, shoulders and tops of the arms are constructed from WINDSTOPPERR. Utilizing VistrasariTM under the arms and on the back and sides elevates temperature regulation and ergonomic freedom. 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 Design Stretchy fabric allows you to move more freely Articulated elbows No lift gusseted underarms Soft brushed lined collar Locking zipper pulls Full front zip with chin guard and wind flap Long sleeves Stretch woven cuffs Drop back hem Internal MP3keycard pocket with audio port Two hand pockets with zippers Two rear pockets with angled access Reflective blazes for enhanced visibility in low light Athletic Fit, Hip Length Weight: 365 g 12.9 oz Activity: Backcountry Skiing TrainingFItness Running 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.