Scubapro Sport Steamer 0.5 mm Men'sThe Scubapro Sport Steamer 0. 5 mm Men's is a lightweight neoprene layer designed for scuba and diving activities. This ultra thin 0. 5mm steamer uses soft neoprene with a stretchy Nylon 2 Sides lining to provide comfortable thermal protection during pool training, as a warm water wetsuit, or as a base layer under a thicker suit. Its compact profile supports easy packing for travel and recreational diving while allowing freedom of movement underwater.