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Arai Defiant Metallics
Arai Defiant Metallics
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Arai Defiant Metallics

Item Id: 317M
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MSRP: $629.95 
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The new Defiant helmet by Arai is self describes as being "for those who demand style, but refuse to compromise for it!" The defiant boasts all the features of Arai's other comfortable full face helmets that you have come to know and love, but packaged in a much more aggressive shell structure and design. The rear spoiler is adjustable so the helmet can stay stable at whatever angle you hold your head. The micro-fitted interior pads allow you to custom fit every helmet to your head specifically, and all the pads are made of a Dry-Cool liner material that wicks sweat away for a more comfortable ride. Of course, the Defiant is both DOT and Snell approved, so any of these beautiful helmets come ready to go for street and track riding!
Approx weight 3 lbs. 12-1/4 oz  1707g
Tec Specs
  • Aggressive new styling
  • Internals are redesigned with a focus on safety and comfort
  • Organic shell shape for superb energy management
  • New IC-4 Upper Intake vents seal more completely when closed
  • New ACR-4 flow thru exhaust vent allows greater air flow when open and reduces drag when closed
  •  (Facial Contour Support) cheek pad design has 5mm peel away micro fit layer for greater personal fit
  • Cheek pads feature contoured shape, multiple density foam layer supported by a patented spring
  • New shell shape is easier to put on and take off
  • New water repellent material along bottom edge
  • Pull down spoiler works with new flared bottom to increase helmet stability
  • SAI Max Vision Brow Vent Pin lock anti-fog lens insert included
  • DOT and Snell 2010 certified

  • Size Charts
    This sizing guide is being provided as a reference and can not guarantee a perfect fit. This chart should be used as a guide only. Whenever possible, we recommend stopping by The Helmet Shop to be properly fitted.

    Motorcycle Helmet Sizing Chart
    Adult SizeCM
    Hat Size
    XXSmall51-526 3/8 - 6 1/220 - 20.5
    XSmall53-546 5/8 - 6 3/420.87 - 21.26
    Small55-566 7/8 - 721.65 - 22.05
    7 1/8 - 7 1/422.44 -22.83
    Large59-607 3/8 - 7 1/223.23 - 23.62
    XLarge61-627 5/8 - 7 3/424.02 - 24.41
    2XLarge63-647 7/8 - 824.80 - 25.20
    3XLarge65-668 1/8 - 8 1/425.60 - 26.00
    4XLarge67-688 3/8 - 8 1/226.40 - 26.80
    69-708 5/8 - 8 3/427 - 27.50

    Youth Helmet Sizing Chart
    Youth SizeCM
    Small49 - 5019.15 - 19.50
    Medium51 - 5220.10 - 20.45
    Large53 -54
    20.87 - 21.26

    Questions and Answers
    Q: What is the major difference between the Defiant and the signet. You show them both at $566. I see the vents are different. Does it seen like people prefer one over the other?
    Asked by:  - 5/26/2016 (Submit an answer)
    A: You are correct that both helmets are very similar with the main difference being in the head shape. The Signet shell is slightly longer from front to back so this would be a better model for someone with a more narrow head shape. We have sold more of the Signet models as this helmet has been available for a longer period of time. The defient is becoming pretty popular and we do like the grill look of the front chin vent.
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