Workout Vest Neoprene Adjustable Fitness Body Training GarmentWorkout Vest Neoprene Adjustable Fitness Body Training Garment The workout vest creates a close upper body layer for gym sessions, home exercise and everyday training. This neoprene vest sits under or over shirts, while the front zipper and dual belt design help keep the fitness vest in place during movement. Use this body training garment as a simple extra layer for runs, lifting days or studio classes when you want focused, structured workout wear.