Guardian Chroma HD Pro Scuba Snorkeling Combo provides high-definition underwater vision with a specialized 9-layer coated lens. The mask features a dual-color design with an external blue lens to reduce surface glare and UV rays, while the internal gold lens enhances underwater light and improves contrast. Constructed with a crystal silicone skirt and strap for a comfortable, leak-resistant fit, it includes easy-adjustable buckles. The accompanying semi-dry snorkel is designed with a splash top to keep water out at the surface and a flexible silicone tube and mouthpiece for versatile use during diving Brand: Guardian Model: Chroma HD Type: Mask & Snorkel Set Lens Type: Tempered Glass, 9-Layer Coated Lens Color: Blue (External) / Gold (Internal) Skirt Material: Crystal Silicone Snorkel Type: Semi-Dry Features: Non-Fogging, UV Protection, Splash Top Adjustability: Easy Adjustable Buckles