Yellowstone S5 Rip Wheeler Black Wool Vest Rip Wheeler is a simple man with a subtle taste in fashion. All his Jackets and Vests are seemingly plain and simple, but they are incredibly fashionable as well. The Rip Wheeler Black Vest is a great example of how Rip Wheeler likes his outerwear. This vest is made up of wool fabric on the outside and has an inner lining of viscose which makes it an excellent choice for the winter season. The vest has a zipper in the front and a rib-knitted collar. This vest has two side pockets on the outside to easily store all your personal effects.