Open Box Hollis M-1 Dive Mask Snorkeling Bags - provides better depth perception

- provides better depth perception

Extra-long heavy-duty back zipper for easy donning and doffing

a high waist provides comfort and additional heat insulation

Easy to Manipulate with Gloves

Open Box Hollis M-1 Dive Mask Snorkeling Bags - provides better depth perceptionPlease 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