Halcyon Standard Single Tank System – Steel Backplate – Eclipse 40 lb Wing – Black MSST function high-stretch surface and plush fleece

high-stretch surface and plush fleece lining help maintain comfort during underwater sessions and on the surface

Includes charger and dual batteries

waist and vented shoulders provide rapid response air exchange without trapping to accommodate the most demanding dry suit dives

The screen lights up when needed

Halcyon Standard Single Tank System – Steel Backplate – Eclipse 40 lb Wing – Black MSST function high-stretch surface and plush fleeceThe Standard Single Cylinder BC System pairs Halcyon wing options with an aluminum backplate to deliver a lightweight, travel ready buoyancy system for recreational and technical divers. The configuration supports Eclipse or Era wings with selectable lift capacities, a secure adjustable harness, and a stainless steel single tank adapter for reliable cylinder attachment. The system is designed for modular upgrades through the Halcyon Customize Tool so