BTS DEEP Frameless Mask

The DEEP Mask is our most compact and lowest-volume dive mask—engineered specifically for freedivers and spearos who demand peak performance at depth. With an internal volume of just 65cc (3.97 in³), it's one of the lowest volume masks available on the market today. The frameless design brings the tempered glass lenses closer to your eyes, delivering an exceptional field of view while dramatically reducing the effort required to equalize at depth. Ideal for deep diving, this mask is a favorite among serious freedivers and spearfishers. Made with soft, high-grade silicone, the DEEP Mask ensures a secure, comfortable seal that adapts easily to small and narrow face shapes. A quick-adjust swivel buckle system allows for rapid tension tuning, and the strong elastic strap keeps the mask secure throughout your dive. Each DEEP Mask includes a clear hard case for protection during travel and storage. Features:  Fits Average to Small or Narrow Faces Frameless Design Tempered Glass Strong Elast