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509 Altitude Evolution Helmet
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  • 509 Altitude Evolution Helmet - Black/White
  • 509 Altitude Evolution Helmet - Black/White

Please select a Size to check availability, or to add this item to your Shopping Cart or Wish List.

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Size Chart
MSRP
$229.95 - $239.95
Savings (20%):
$45.99
Price
$183.96

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509 Altitude Evolution Helmet

The 509 Altitude Helmet is a sleek yet aggressive helmet.

Features:

  • Thermoplastic poly alloy outer shell
  • Intermediate oval
  • Innovative dual density interlocking EPS foam liner
  • Front chin protection from specially designed expanded polyurethane chin insert
  • 8 intake/exhaust vent ports
  • Cold weather breath box included
  • 4 shell sizes
  • Removable and washable premium liner
  • Neck brace ready
  • Class-leading eyeport opening dimensions for optimal peripheral vision
  • Perfect 509 goggle fit
  • One-piece eyeport trim
  • Integrated front mouth vent
  • Innovative universal camera mount that attaches to top visor in seconds
  • Meets or exceeds DOT and ECE safety certification standards
  • Helmets sized 2XL and larger use 509 XL goggles

509 Helmet Sizing

Size Head (cm)
XS 53-54
SM 55-56
MD 57-58
LG 59-60
XL 61-62
2XL 63-64
3XL 64-65
4XL 66-67

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How To Measure

H Head Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Style RevZilla Item # Manufacturer Product # Availability
Black/White / 2XL 1142336 509HELAE62XL Available: Requires 4-6 business days lead time prior to shipment
Black/White / 3XL 1142337 509HELAE63XL Out of Stock
Black/White / 4XL 1142338 509HELAE64XL Available: Requires 4-6 business days lead time prior to shipment
Black/White / LG 1142334 509HELAE6LG In Stock: Ships next business day
Black/White / MD 1142333 509HELAE6MD In Stock: Ships next business day
Black/White / SM 1142332 509HELAE6SM Available: Requires 4-6 business days lead time prior to shipment
Black/White / XL 1142335 509HELAE6XL Available: Requires 4-6 business days lead time prior to shipment
Black/White / XS 1142331 509HELAE6XS Available: Requires 4-6 business days lead time prior to shipment

Shipping

Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.

Returns

If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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