The full name of this shoe is Adrenaline GTS where GTS stands for "Go To Shoe". Best seller of the Brooks lineup of running shoes, the Adrenaline is one of the most popular stability shoes out there. Priced at a honest $120, it provides solid stability in a comfortable, plush upper - ideal for high mileage training and racing. Its main competitors are the Nike Structure, Asics GT 2000 and Saucony Guide.