With D-ring & Clip Crotch Strap
 
Sigma Life Jackets feature the following characteristics:
- CE ISO 12402-3 approval
- CE ISO 12401 approval on all integral black harnesses
- Twin welded air bladder seam for double security (Alpha)
- Ultra reliable firing mechanism
- Compatible with all major suppliers CO2 bottles
- Commercial heavy duty weight protective outer cover
- Easy re-packing
- Economical re-arming kits
- 170 Newtons of buoyancy when fully inflated
- Auto heads designed not to fire in heavy weather
- Maintain the correct flotation position in the water (face-up)
- Fully adjustable straps
- Heavy-Duty, Stainless D-Rings for attachment of a safety line