Wind-Blocking, Heat-Trapping Fleece Windproof barrier bonded between a cozy 85% recycled polyester fleece exterior and a mesh backer Center-Front Zipper with Wind Flap Full zipper with internal wind flap Y-Joint Sleeve Construction Y-Joint sleeves provide mobility through the shoulders and arms Pocket Details Vertical-zippered chest pocket; zippered handwarmer pockets are lined with warp-knit mesh