Originally Posted by Blue Jays

Check this website for vegetarian motorcyclists that has a bunch of links that could prove helpful. One of the suggestions that could apply to both two-wheeled sports is to stick with shoes made of Lorica (a synthetic) to have many of the benefits of regular leather without being an animal product.

I say this as a person who consumes meat but could easily become vegetarian because I enjoy vegetarian dishes/restaurants so much!