Plan a compatible sidemount system
Plan the full equipment system rather than choosing each part independently.

Explore sidemount diving gear for a compatible harness, regulator and cylinder configuration.
Plan the full equipment system rather than choosing each part independently.
Compare complete regulator sets with first-stage or second-stage-only listings.
Read cylinder-rigging listings for clamp size, attachment components and quantity.
Plan the full equipment system rather than choosing each part independently. Compare adjustment, hose routing and mounting requirements with the configuration used in your training. Check package contents and compatibility details to identify components that need selecting separately.
Explore the wider Technical Dive Gear collection to compare related equipment and accessories.
Need help choosing? Ask our Hallam team for advice on the options that suit your equipment and plans.
Compare complete regulator sets with first-stage or second-stage-only listings. Use your instructor’s configuration and the manufacturer’s specifications to identify compatible first stages, hose requirements and the items supplied in each set.
Read cylinder-rigging listings for clamp size, attachment components and quantity. Match fittings to your actual cylinders and harness. A clamp-only item and a complete stage-bottle rigging kit have different contents; ask our team if your required components are unclear.
Hollis SMS Katana 2 Black Limited Edition