It's not as comfortable as other frameless masks like the Cressi F1 mask. We consider Hollis have tried to reinforce rigidity on the mask for durability and safety by strengthening the skirt product which implies it could possibly pinch and dig If your mask isn't a suitable fit for your https://how-to-make-a-silicone-ma95726.activablog.com/27974701/the-greatest-guide-to-mask-i-1