The Frameless 2 features a dual hardness silicone skirt with “UltraSoft” face seal for superior comfort and fit. Get all the features of the Atomic Frameless mask, plus special sealing flange with a softer grade of silicone and in a wide range of sizes.The latest evolution of the Frameless Mask uniquely combines two grades of silicone molded together to create the most comfortable mask in the water. Along with all the features that made the Atomic Frameless Mask popular with avid divers who want a wide, clear view, the Frameless 2 is even more comfortable over hours of dive time. A special sealing flange is co-molded with a softer grade of silicone for a soft touch. The Standard, Medium and Large fits/sizes are perfect for every face shape.