The Seago 3Dynamic 190 and 300 lifejackets are very comfortable and unobtrusive to wear and is pre-fitted with a spray hood and automatic light.



• “S-Line Anti-Wash” bladder - protects from waves and reduces the risk of secondary drowning

• UM Cylinder-Safe feature - reduces the risk of the gas bottle unscrewing

• Removable double crutch strap

• Burst open YKK zip

• Neoprene collar

• Pocket for knife, PLB etc

• 190N or 300N buoyancy

• Automatic inflation using a UML Pro-Sensor inflator

• Indicator window for visual indication of firing status

• 38g and 60g cylinder


Please be aware that United Moulders Ltd, the manufacturers of lifejacket firing mechanisms, have recently upgraded their Pro Sensor inflator to the new Elite version.


When ordering a re-arming kit for your lifejacket, please ensure you identify which version of the Pro Sensor your jacket is fitted with.


Pro Sensor 38g and 60g Re-Arm kit

Pro Sensor 38g and Elite 60g Re-Arm Kit

Seago 3Dynamic 190N and 300N Life Jacket

Firing Mechanism
  • There is a delivery charge of £11.99 for this product to Mainland UK.

    Please contact us for shipping cost if adding extra items