Spyder vectre mens half zip thermal top the spyder vectre mens half zip thermal top is perfect for wearing under a ski jacket or own its own for a great look the top features a half zip fastening with high neck collar to provide a comfortable and secure fit so you can concentrate on your own performance with its fully locked seams to guarantee warmth is trapped in and allow your body to keep an optimum body temperature when in colder conditions thermal top half zip locked seam