Our are 100% spun polyester microfiber fleece 2-tone Safety Lime Fluorescent and Black, weighing in at 10.5oz. The zip-hooded style has metal snaps so the hood can safely detach if snagged. It features a rugged YKK zipper, two pouch pockets for warming hands on chilly mornings, and 3M™ Scotchlite™ Reflective Material. You may wear the sweatshirt alone or zip it into the lining of the 431 parka to form a waterproof systems jacket. Available in Tall sizes LG-6X which also fit in the 431 parka (see additional detail images).