Stay warm while representing your Arizona Diamondbacks in style with the Cutter & Buck Rainier PrimaLoft Eco Insulated Quilted Full-Zip Shirt Jacket. This shirt jacket's quilted puffer design is insulated with lightweight, down-alternative PrimaLoft Silver insulation, made from 70% recycled polyester, for warmth on cooler days. Its wind- and water-resistant nylon shell makes this a versatile layering piece you can count on year-round.