• A 275 Newton double chamber inflatable life jacket-wearer
  is capable of maintaining flotation on one chamber alone.
• Marine grade whistle.
• SOLAS Retro-reflective tape.
• Automatic water-activated SOLAS light.
• Chest harness and crutch strap.
• Certified EN399.
• Automatic or hydrostatic (activated by water pressure–will
  not inflate due to damp, ­splashes, etc.) versions
  available