Adidas adizero singlet running vest the adidas adizero singlet running vest is a lightweight running vest that is perfect for wearing over a base layer or on its own whilst in the gym the vest is constructed with the latest climalite technology to help draw sweat away from your skin and ensure you remain dry and comfortable whilst exercising running vest adizero climalite technology mesh construction front body 100 polyester back body 100 polyester machine washa