Scubapro Steel Comp Freediving MaskThe ultimate freediving mask, the, dual lens STEEL COMP is particularly well suited to deep diving. It has the lowest possible internal volume so equalizing is easy. Plus, on descents the mask itself compresses, so equalization is not required as often. The skirt is very effective at blocking out light reflection at depth. The soft skirt and rotating buckle system allow for a comfortable, watertight fit on most faces. Low internal volume enables easy