The SEAC M70 Dive Mask provides comfort and visibility for freediving or spearfishing. The semi-frameless design offers a great field of vision. This low profile mask has such a small internal volume that it's not required voluntary equalization. A pivoting 3D buckle is easy to adjust even underwater. Other features include anti-fog and anti-glare glass and an anatomic silicone body. The SEAC M70 Mask comes in a transparent box, which is convenient for traveling. High-quality liquid rubber silicone 3mm tempered and anti-glare glass lenses Semi-frameless for a great field of vision 3D buckle rotates into all positions for fit and comfort Anatomic body for comfort