adidas Tubular Viral Womens in Grey/White Neoprene The all new Tubular Viral build off the previous Tubular models. This time, the model is made in more feminine lines. This is an exclusive womens Tubular based model. Features a low top style with Tubular style sole, made of neoprene, front elastic strap, and more. All sizes are listed in U.S. womens sizes.