Open Box Hollis M-1 Dive Mask Snorkeling Bags a high waist provides comfort

a high waist provides comfort and additional heat insulation

so you can switch the straps right at home with no need to visit the repair store

1 HP and 4 LP ports

we recommend sizing down

one SL995 Flex-Connect Ball Joint Adapter and one SL999 Ball Joint Adapter for Flex-Connect

Open Box Hollis M-1 Dive Mask Snorkeling Bags a high waist provides comfortPlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION Visibility is the most important aspect of any dive. The M1 mask raises the bar for optical quality and distortion free vision. This lens is an extra clear glass which is valued for its attractive appearance and optical qualities. The low iron content produces a higher light transmittance and a reduced green tint inherent