It is not as comfy as other frameless masks including the Cressi F1 mask. We believe Hollis have tried to reinforce rigidity on the mask for durability and safety by strengthening the skirt product meaning it can pinch and dig When the mask is just not a proper healthy for https://s-1-safety-masks09505.blogkoo.com/detailed-notes-on-do-silicone-masks-work-47601696