Alpinestars Booter Warm Jersey   A premium winter riding garment constructed from a mid-weight nylon stretch fabric main shell for excellent thermal performance, the A premium winter riding garment constructed from a mid-weight nylon stretch fabric main shell for excellent thermal performance, the Booter Warm Jersey is ergonomically profiled for an optimized fit in all riding positions.   CONSTRUCTION • Premium quality nylon stretch fabric for a performance flex fit as well as offering excellent thermal qualities for colder rides. • Interior layer features a soft brushed finish for high levels of comfort. • Ergonomically designed and profiled with a pre-articulated sleeve construction for optimized fit in all riding positions. • Elongated rear lumbar area provides additional coverage. • Incorporates convenient rear store pockets which include a headphone conduit. • Semi auto-locking zipper for customization and fit. Zipper features zip garage to avoid irritation. • Reflective detailing on lower sleeves helps improve the visibility of a rider.Booter Warm Jersey is ergonomically profiled for an optimized fit in all riding positions.