The Atomic Aquatics Frameless mask was such a hit that divers were soon asking for a smaller version--and they got it. The new Medium-Fit Frameless uses the same large UltraClear single lens, surrounded by a soft silicone skirt (black or clear). The only difference is the size of the skirt, about a quarter-inch narrower than the original. $99. www.atomicaquatics.com.