Engineered as a lightweight jacket, the Sentry® Windbreaker features a durable, water repellent nylon outer shell with a two-way zipper closure and a zip-out  liner. This jacket is loaded with pockets, including two pleated patch pockets, two hand-warmer side panel pockets, and an inside pocket. The windbreaker also features an articulated gusset design for a full range of arm movements. Poplin-Weave Outer Shell