Open Box Atomic Aquatics SubFrame Mask, Slim FitAtomic Aquatics SubFrame Mask, Slim Fit Our Subframe Slim Fit design features a smaller, higher nose pocket and a narrower nose bridge to accommodate narrower facial profiles to ensure a solid fit on every outing. The Subframes internal frame is molded into the skirt, with the stainless steel nose piece holding the lenses in. The design lends a sleek appearanceFerrari good looks, one test diver put it. The Subframe had performance to match, earning