Seago 3Dynamic 300N Lifejacket




Seago’s flagship jacket has been completely redesigned, with professionals in mind. With a whole host of new features packed into one lifejacket, elite performance and maximum comfort is ensured. An ideal choice for any sailor who wants a jacket that can be worn all day without knowing it’s there unless you need it.

The 3Dynamic incorporates innovative design and technological advances; it introduces to the world the Rapid Buckle, pairs it with Seago’s signature Cylinder Safe and concludes with the S Design lung. Further safety accessories include an LED multi flash light, spray hood and pocket for your knife. Everything a pro or enthusiast could need is close at hand and, as always, safety remains the priority.

The viewing window ensures you can visibly assess the status of your lifejacket, alerting you to any rearming issues that may have otherwise gone unnoticed. Featuring a high grade, abrasion-resistant polyester D-ring which gives you a convenient way to safely clip yourself to the craft this jacket has a 300 Newton buoyancy rating. (Also available as 190N).

Special features:

  • Integrated Harness
  • Soft D-ring
  • Cylinder Safe
  • Crotch Strap
  • UML Multi flash light
  • Spray hood
  • Zip fastening pocket
  • Zip fastening cover

Technical information:
Pro-Sensor or Hammar firing head
300N buoyancy
38g CO2 Inflation cylinder

Approved by international standards:
CE Approved
ISO Approved

The Seago 3Dynamic is adjustable to fit adults with a 55-144cm chest and weighing upwards of 40kg.


Additional information

Inflation Type*