Keep the chill off with this cozy flame resistant vest. Ideal for layering over shirts or under a FR jacket for added warmth. This American made vest has a fleece exterior with our 2nd skin jersey liner. The vest is a versatile three season vest that is warm and perfect for chilly days. The vest features a full-zipper, all the way to the top of the mock-neck collar and has four pockets.. Arm openings are large and with an easy fit through the shoulders and chest. The vest is slightly longer than a store bought vest and shrinkage in laundry is less than 5% in the length and 2% in the width. Electrical linemen wear this vest when they need to use rubber sleeves. Made to be worn over another shirt.