The Marmot Rocklin Fleece Vest is made with high quality 5oz., 100% polyester fleece and features 100 WT fleece for ultimate comfort and warmth. With flat lock construction and zippered hand pockets, this vest is both stylish and functional for all your outdoor adventures. • 19" pit to pit (lay flat) • 25" from shoulder to hem FABRIC & CARE: • 100% Polyester • Machine wash cold. Tumble dry low. From smoke free / pet free home.