Specification :

Sigma gas inflation lifejackets slim fit light weight design, and rugged construction combine to form the ultimate in lifejacket technology today. It is designed for the rigours of extended offshore sailing, but equally at home for day sailing on the river. Sigma Inflatable Lifejackets have the below features:
Twin welded air bladder seam for double security
Ultra reliable firing mechanism
Compatible with all major supplier CO2 bottles
Easy re-packing
Economical re-arming kits
194 Nrewtons 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 sizes