Sigma Infl 170N automatic inflatable lifejacket for adults, ISO certified for offshore use. Black colour with integrated crotch strap and D-ring for secure attachment.

• 170N buoyancy (≈38 lb) for high offshore flotation
• Automatic inflator - rapid hands-free inflation on immersion
• D-ring for secure tether or safety line attachment
• Integrated crotch strap to prevent the jacket riding up
• ISO certified for recognised safety compliance
• Inflatable design for compact stowage and comfortable wear
• Adult sizing in black for low visibility and durability

Ensure correct fit before use and follow regular inspection and servicing guidance; suitable for offshore boating where 170N flotation is required.