Northern Trek Poly Twisted Fleece Full Zip Jacket. This stylish and functional jacket is made with 100% polyester and a 270 gsm weight, making it the perfect choice for outdoor adventures. Featuring a hooded design for added protection, small chest logo embroidery for a touch of style, and a two-tone colorway and cut and sew design for a fashionable edge, you'll be sure to stand out on the trails or in the city.