I'll be honest—I didn't understand why mask volume mattered until I tried freediving for the first time off the coast of Belize. Every meter I descended, I felt like I was fighting my mask, constantly equalizing to keep it from suctioning to my face. My regular recreational mask, which worked perfectly fine on scuba dives, suddenly felt like it was working against me. That's when I learned that the best low volume scuba masks make a massive difference when you're diving without a tank or doing technical dives where streamlining matters.

Low volume masks sit closer to your face, which means there's less air space between the lens and your eyes. For freedivers, this translates to less air needed to equalize the mask as you descend—a huge deal when you're holding your breath. For technical divers, it means better streamlining and less drag. Even as a recreational diver who occasionally freedives between boat dives, I've come to appreciate how much more comfortable these masks are.

Quick verdict: If you're doing any breath-hold diving or working on your buoyancy and trim, a low volume mask is worth every penny. The diff…