The DuraFlex™ Ultra Harness is features patented DuraFlex stretchable webbing that provides greater comfort, increases productivity and improves safety.

  • Maximum Comfort
  • Specially-formulated elastomer webbing that stretches to provide greater comfort, improved safety and increased productivity
  • Sub-pelvic strap distributes weight for added support after a fall
  • Forged steel back D-ring for maximum strength and dependability
  • Comfort-Touch Back D-Ring Pad is soft and flexible for added comfort

Features & Benefits

  • Improved Safety
  • With added comfort, DuraFlex Harnesses offer wider end-user acceptance - a comfortable harness is worn properly, enhancing compliance and safety on the jobsite. Rated to 400-lbs. (181.4 kg) capacity

All Model Features

  • Friction Shoulder Straps
  • Quick-Connect Leg Straps
  • Quick-Connect Chest Straps
  • Sub-Pelvic Strap
  • Lanyard Ring
  • Back D-ring Pad


Miller DuraFlex™ Ultra Harnesses

  • Materials

    • Webbing (DuraFlex): Polyester, Urethane Elastomer
    • Webbing: 1-3/4” Dacron polyester
    • Minimum Tensile: 5000 lbs. on webbing
    • Thread: 6 cord bonded 3 strand polyester thread. Minimum tensile of 42 lbs.
    • Grommets: Brass
    • Hardware: Steel Minimum Tensile strength
      • D-Rings…………………5000 lbs. (22kN)
      • Buckles…………………4000 lbs. (18kN)

    All hardware meets ASTM (50) fifty-hour salt spray test requirements.


    • Max Working Load:……400 lbs - 181.4 kg


    • Label Materials….....Lexan and Valeron

    Certification Meets OSHA 1926.502; ANSI A10.14, Z359.1 and CSA Z259.10-M90