Seago’s flagship lifejacket made for the professional. Our design team have combined a range of new features in one lifejacket that ensures elite performance and safety, together with maximum comfort. This jacket is ideal for those that want a jacket that can be worn all day without knowing it’s on.


The 3Dynamic incorporates innovative design and technology advances bringing to the world the Rapid Buckle, Cylinder Safe and S Design lung together with LED multi flash light, spray hood and pocket for your knife. This means everything our pro and enthusiast customers tell us they need is close at hand. The team is incredibly proud of the advanced design features that we believe make it a market forerunner. Available as either 190 or 300.


190, 300

Firing Mechanism

Hammar, Pro Sensor


'S' Design lung, Cylinder Safe, Light, Spray hood, Zip