| Hollis M1 Frameless Mask: | |
| Visibility: Most Important Aspect of Any-Dive | |
| Optical Quality and Distortion Free Vision | |
| Extra Crystal-Clear Saint-Gobain Diamant Tempered Lens | |
| Single Lens Design | |
| Saint-Gobain Diamant Glass: Valued for Attractive Appearance and Optical Qualities | |
| Low Iron Content Produces Higher Light Transmittance | |
| Reduced Green Tint Inherent in Standard Glass | |
| Lens Distortion Free, Improved Color and Visibility in Low Light Conditions Underwater | |
| Frameless Design, Easy to Stow in a BCD Pocket | |
| Great Back-Up Mask | |
| Wide Field of Vision | |
| Low Internal Volume, Extremely Easy to Clear | |
| 100% Pure Silicone Double Feathered Edge Skirt | |
| Wide Split Style Mask Strap | |
| Feathered Edge & Wide Split Strap Combined for Comfortable and Perfect Seal on Face | |
| Easy to Reach One Handed Nose Pocket for Ear Equalization | |
| Low-Profile Quick-Adjust Buckles | |
| Mask Box | |
| Color: All Black |
Mask & Box
Mask fits most adults.