Streamlined sidemount diving engineered for exploration.

The Hollis SMS Katana 2 is a purpose-built sidemount BCD designed in collaboration with elite cave and technical divers. It offers tailored buoyancy control, effortless adjustability via its Quick Fit System, and is built with rugged materials for long-lasting performance in challenging conditions. Lightweight yet robust, it’s built to travel and to explore.

Key Benefits

• Optimized trim control The wing’s shape keeps your body balanced and streamlined, reducing drag and effort in tight passages or wrecks
• Travel-ready design Packs light despite its rugged build, making it easy to take on dive trips without excess baggage
• Customizable harness fit The Quick Fit System allows precise adjustments so the harness feels tailored, reducing strain on long dives
• Effortless buoyancy management The top-positioned dump valve allows smooth air release while maintaining body position
• CCR compatibility Provides flexibility to expand into advanced diving without needing a different system
• Durable construction Heavy-duty Cordura and laminated bladder withstand abrasion and harsh environments where cheaper materials might fail
• Flexible gear setup Multiple D-rings and bungee options allow you to configure tanks and accessories the way you prefer
• Peace of mind Backed by a 2-year warranty for confidence in reliability and support

Key Specifications

• Weight 8.0 lbs / 3.6 kg
• Wing Lift Capacity 40 lbs of lift
• Weight Capacity 20 lbs integrated weight + optional 5 lbs trim pockets
• Harness Adjustability Quick Fit System, supports H- or Y-style configurations
• Dump Valve Top-positioned for efficient air release
• CCR Compatibility Integrated sidemount CCR mount included
• Material Construction 1000-Denier Cordura with PU lamination; RF-welded urethane bladder
• Inflator Type Reversible inflator and dump assembly with high-impact plastic and chrome-plated brass, 3/8? QD hose
• Attachment Points Multiple stainless-steel D-rings at shoulder, waist, and crotch
• Warranty 2-year standard manufacturer warranty

The SMS Katana 2 excels by combining advanced functional design—like CCR integration and adjustable harnessing—with a sleek, travel-friendly form. It offers technical divers the durability, trim precision, and versatility needed for demanding dives, outperforming bulkier sidemount systems without sacrificing performance.