Outdoor Research Full Zip Fleece Jacket Gray Men's Large Thin Lightweight. This lightweight fleece jacket from Outdoor Research is perfect to throw on when it is slightly chilly outside or as an extra layer for your outfit. It has a zippered chest pocket and two open pockets at the hips. It is 100% polyester. There is some piling on this jacket, most noticeable around the collar and wear at the elbows. Measurements and condition are shown in the photos.