Overview The Hollis M1 Mask is designed to deliver exceptional optical clarity and comfort, making it a top choice for divers who prioritize visibility. Featuring a crystal-clear lens and frameless construction, the M1 enhances color, reduces distortion, and performs exceptionally well in low-light underwater environments. Key Features Saint-Gobain Diamant glass provides ultra-clear, distortion-free vision Low iron lens increases light transmission and reduces green tint Frameless design reduces weight and improves field of view 100% pure silicone skirt ensures a soft, secure, and comfortable seal Low volume profile allows easy clearing and better fit Wide field of vision enhances awareness underwater Specifications Lens Type: Single lens, Saint-Gobain Diamant glass Skirt Material: 100% pure silicone Design: Frameless, low volume Use: Scuba diving and snorkeling What&&';;s Included Hollis M1 Mask Care & Return Policy Rinse with fresh water after each use and allow to dry completely before storage. Avoid contact with abrasive surfaces to maintain lens clarity and skirt integrity. For full details on returns and eligibility, please review our Return Policy .