Alpinestars mid layer jacketlightweight and easy to wear under an outer garment alpinestars mid layer jacket features a brushed poly fabric for insulation and comfort convenient and versatile with a front zipper pocket the mid layer jacket is ideal for riding in cooler conditions riding for hours will not be a problem due to the articulated pre shaped arm construction which helps to reduce fatigue and a longer back silicone hem for extra coverage and to keep the jacket in place featuresmul