Cressi Nano Crystal Mask
- This mask has a particular tapered structure patented: IDF-INTEGRATED DUAL FRAME TECHNOLOGY SYSTEM.
- NANO enjoys of technical advantages that Cressi has been incorporating in recent seasons in various models.
- IDF-INTEGRATED DUAL FRAME TECHNOLOGY SYSTEM
- The glass/face distance has been reduced.
- Inclined glass.
- The buckles anchored in the frame for optimum mask stability.
- This type of anchorage also improves the stability of the mask.