Challenger Worksafe Pro 300

This model enhances the performance of the standard Worksafe range featuring a slim fit ergonomic design with mesh back for increased support and breathability. A neoprene anti abrasion neck comes as standard, further enhancing wearer comfort.

A storm flap, integral zipped pocket and radio attachment strap adds to this feature packed high performance lifejacket. Buoyant to 300 Newtons, it has self-righting properties increasing freeboard and keeping the airways high above the water line reducing the possibility of secondary drowning. A single removable crotch strap minimised ride up, further improving in-water performance. 

It features zipped closure making it easy to repack once activated. The UML Pro Sensor Elite automatic operating head is placed behind a window for speedy safety checks. The Worksafe Pro 300 harness version comes with a standard 2/3 bar stainless steel closure and D-ring for use with a safety line. 


  • 300N buoyancy (170N available)
  • ISO 12402 approved
  • Ergonomically designed
  • UML Pro Sensor firing head
  • Harness or non-harness options available
  • Comfort Neoprene collar
  • Stainless steel D ring (Harness version only)
  • AIS ready
  • Firing head window
  • Integral crotch strap
  • Easy front donning
  • Tailored fit
  • Zip closure with protective tab
  • Easy wipe lean PVC front cover


  • ISO 12402
  • 331N buoyancy (actual)
  • 275N buoyancy (category)
  • Automatic gas inflation
  • UML Pro Sensor Elite Automatic operating head
  • Single chamber

Design Options

  • Lifejacket light
  • Automatic or manual firing head
  • Sprayhood
  • AIS beacon
  • A wide range of options including orange wipe clean, heavy duty PVC, fire retardant and red nylon

WBT-100.pngWave Barrier Technology

The patented interlocking lobe design of the bladder used in this lifejacket self-rights the wearer in under 5 seconds and provides an effective Wave Barrier preventing water from being channelled into the airways. The tailored neck design gives vital support to head and neck, even if the subject is unconscious.

Ordering information

Part No. Description
10-ISP-227I-008 Um Pro A/S Black/Orange M/Back
10-ISP-227I-009 Um Pro A/D Black/Orange M/Back