Open Box Hollis M4 Frameless Mask Diving Essentials Barefoot Design features a replaceable

Barefoot Design features a replaceable self-adjusting bungee heel strap that allows for a versatile fit and makes the fin easy to don and doff - it can also be used when wearing neo socks

The A1 offers full time-keeping functions

allowing the user to upgrade from the analog depth gauge to the compact Puck capsule computer in the future

and vertical angles without hauling along a large

Open Box Hollis M4 Frameless Mask Diving Essentials Barefoot Design features a replaceablePlease note this is an OPEN BOX offer. The item will be in new condition, but may not have original packaging. PRODUCT DESCRIPTION When choosing a mask, fit and field of vision come first. The M 4 gives you the best of both worlds, fitting a wide variety of faces and offering superior peripheral and vertical vision. It is low profile, stows easy and carries an excellent value. This product does not carry a valid manufacturers warranty.