Open Box Hollis M4 Frameless Low Volume Scuba Diving Mask off-map enabling you to swap from

enabling you to swap from an open-heel setup to a premium Monprene® full-foot pocket for warm-water diving

* A compatible female bayonet must be installed on the housing lens port and lens holder

Operating temperature ranges from -10°C to +50°C

The Henderson 7mm Thermoprene LS Shorty for men is an excellent choice for scuba diving enthusiasts seeking superior comfort and flexibility

Open Box Hollis M4 Frameless Low Volume Scuba Diving Mask off-map enabling you to swap fromWhen choosing a mask, fit and field of vision come first. The M4 Mask 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.