IST MP201-BSM Proteus Twin Lens Tinted Lens Scuba and Spearfishing Mask

• Semi-Dry Design: Splash guard deflects water, keeping the tube dry at the surface.
• Drop-Away Feature: Flexible corrugated bottom drops away when not in use, improving comfort.
• Easy Breathing: Convenient bottom purge valve for effortless clearing underwater.
• Comfortable Mouthpiece: Hypoallergenic silicone with bite tabs to reduce jaw fatigue.
• Convenient Holder: Adjustable, quick-release snorkel holder fits most masks securely.

Company founded in Taiwan. Siblings Irene, Stanley and Tony Lin join together to form IST. Named after their combined initials, the company symbolized a community effort to work together toward a better future.When IST was first established, their primary products were windsurfing boards. As more connections to the diving community began to emerge, boundless opportunities within this new market opened up. IST began manufacturing diving boots as an introduction into the scuba diving industry.IST began releasing a broader range of diving equipment, including masks, snorkels and fins. As a pioneer in the market, they produced great quality at more affordable prices, earning high praise from their new customer base.