Product description OMS Tribe Ultra Clear diving mask The New Tribe Mask is a one window frameless mask with ultra-low volume and wide range of sightThe Tribe has a unique shape along with 100% pure silicone fitting most face shapes. The New Tribe Mask is a one window frameless mask with ultra-low volume and wide range of sight. We have chosen the Saint Gobain Diamant® Crystal Clear Lens giving the highest transparency, clear aesthetics, optical brilliance, and depth perception at any depth. The Tribe has a unique shape along with 100% pure silicone fitting most face shapes. This mask also features our unique new 3-D contoured mask strap that prevents folding or hair pulling. Features: – One lens frameless low volume design– Pure soft Liquid Silicone body with a double silicone face skirt– Saint Gobain Diamant® Crystal Clear lens– All lens are Tempered– High density plastic easy release buckle molded to the skirt that is easy to fold for storage– 3D contoured mask strap– Comes in a hard case for protection and storage– CE tested and approved Specifications: – Material: Ultra Clear Tempered Glass– Glas: one glas– Weight: 0.42 kg