Adidas neoprene dumbbell the adidas neoprene dumbbell is the perfect solution to have in your strength training arsenal offering great variety for your workouts the use of dumbbells can be adapted to meet your specific training goals and almost every exercise you perform with a barbell can likely be performed using dumbbells with the range of adidas neoprene weights going up in 1kg increments this ensures that the jump from one weight to the next is large enough to stimulate the muscles