Softness: Super brushed soft touch fabric Easy to use: quarter-length split opening, velcro closure, easy to put on and take off Can be used with any package. Easy to store: the integrated stuff bag doubles as a pocket New design: The sturdy taffeta fabric is light and easy to fold and can be used for many years; the zippered right and left pockets can be combined with the zipper to keep warm, and the double-layer offset embroidery structure prevents cold spots.