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IST Proline Seal M99 Low Volume Mask

  • IST-M99
$109.00  $99.00
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The IST Proline Seal Mask is revolutionising the diving world due to its low volume, high visibility and low price. Designed for scuba diving, freediving and spearfishing, the mask has an excellent seal for a comfortable watertight fit. The low volume, dual-lens design gives the diver the ultimate in low profile internal dimensions. This mask is very comfortable to wear and its superb field of view provides an expansion of the underwater world.

Great for freediving, spearfishing, scuba diving, underwater hockey and snorkelling.

The IST Proline Seal Mask is constructed from a super soft, hypoallergenic, high-quality black silicone and the skirt is moulded directly onto the mask frame. This technique means lesser parts are needed, so a lighter, more compact and comfortable mask is the result.

The internal volume of the mask has been significantly reduced and the lenses have been brought as close to the eyes as possible for an improved field of view and effortless clearing. The IST Proline Seal M99 Mask comes as standard in black silicone which improves your underwater viewing by blocking out unwanted UV glare.

The features of the IST Proline Seal Mask help the underwater hunter seeking out their prey, whilst also making it comfortable for scuba divers, freedivers and skin divers alike to experience the view they have never seen underwater. The IST Proline Seal Mask is highly popular with freedivers and spearos on a budget.

IST Proline Seal M99 Mask Features:

  • Low internal volume
  • Twin Lens compact mask is light and streamlined to create less drag in the water
  • Lenses sit close to the eye for an exceptional field of view
  • Hypoallergenic super soft silicone skirt resists pressure at depth
  • Black silicone to block out annoying UV glare
  • Excellent sealing system for a comfortable watertight fit
  • Skirt is molded directly onto the mask frame
  • Swiveling buckles allow precise strap positioning
  • Comes with handy protective travel case

Colour: Black skirt and frame

Tech Tip

Why Black or Opaque Skirt Diving and Snorkelling Masks Are Better

Clear silicone skirts on diving and snorkelling masks are popular because they minimise the claustrophobic feeling some people get when they wear a mask. Nevertheless, clear skirts actually interfere with vision. Extraneous light entering through the clear skirt makes it more difficult for the eye to focus and causes reflections that obscure vision. Demonstrate this by looking out a window from a lighted room at twilight. You will see better by cupping your hands around your eyes as you press your face to the window. For these reasons, knowledgeable scuba divers, spearos, freedivers, underwater photographers, and snorkellers seeking the best possible vision prefer masks with black or opaque silicone skirts.

(02/22 HS $)


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