IST M27 Tortuga Traditional Oval Single Lens Mask Color:Blue Open toe box allows for

Open toe box allows for quick drainage

This belt prevents that problem by having the correct threading directions molded right into the plastic buckle

NonZero Gravity uniquely designed latex-free1 thermal neoprene

and a breathing resistance control mounted on top of the housing

Insert into your own console or wrist strap

IST M27 Tortuga Traditional Oval Single Lens Mask Color:Blue Open toe box allows forClassic, traditional single lens mask in retro oval shape Tempered glass, scratch resistant window for clarity and safety Liquid injected silicone skirt and strap for great seal and comfort Easily adjustable buckles and strap for precise fit Great underwater photography mask, a favorite among diving traditionalists Product Description 50 years ago, all masks looked like this classic mask from IST. The design of the IST M27 Tortuga Traditional Oval