Scuba Choice Spearfishing Free Dive Ultra Comfort Fit Silicone Dive Mask and Travel Snorkel Set Extremely comfort fit on the face Ultra low volume weight only 5oz The main feature of this mask is the field of vision which is almost completely non-impaired Snorkel keeper included This makes for much more comfortable spearfishing particularly ad depth Every detail on this mask has been conceived keeping in mind its design and functionality