Hollis Side-Mount SMS 75 Single Wing 2nd Stage giving your underwater content a

giving your underwater content a professional

Atomic Aquatics metallurgy expertise drives us to design the M1 for extreme diving

so you can react quickly to fast-moving marine life and changing scenes

Stats By Activity: Dive

Rugged & Reliable Build: Built to withstand the pressures of deep exploration

Hollis Side-Mount SMS 75 Single Wing 2nd Stage giving your underwater content aThis products Overview The Hollis Side Mount SMS75 Wing is an evolution from years of side mount development, which started with the SMS100. The Hollis Side Mount Wing is a product that has been copied, modified and a benchmark for technical side mount for years. Even more popular has been the lightweight SMS50 line. While it caters more to hardcore cave divers, SMS75 was created to handle all environments. Proper trim is key in side mount diving and