The frameless masks are loved by many snorkelers for their low profile and comfort. The F1 Small is the smaller version of the popular Cressi F1, ideal for ladies, teens, and narrow faces. The mask is commonly used for open water diving, pool, recreation, snorkeling, and more.The Mini Frameless mask design bonds a high-grade silicone double feathered edge skirt directly to a single tempered glass lens for the ultimate in simplicity. The low internal volume allows for effortless clearing and the quick-adjust strap buckles are molded directly into the skirt for a flexible fit and reduced drag. The easy-access nose pocket can be used with one hand for proper ear equalization and the single-lens design affords a wide field of vision. The mask has a wide split mask strap design for comfort and to give even tension on the skirt for a proper seal. The mask is popular since the customers like the following qualities of the Cressi: does not fog, high-quality lenses, a wide range of vision, snug fit.The Mini Frameless is designed in Italy by Cressi and made in Taiwan. Cressi is a brand pioneer in scuba diving, snorkeling, and swimming equipment.Safety Warning: do not dive head-first into the water while wearing the mask to avoid the possibility of causing any injuries. The lens exceeds the impact test requirement of American National Standard Z86.11-1985.