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Apparel / Helmets / Road Helmets
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ARO5 Road Helmet

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Oakley ARO5

The Oakley ARO5 is a streamlined helmet for the discerning cyclist who seeks an aerodynamic advantage without compromising comfort or ventilation.

Maximizing aerodynamics, the helmet's wide channels at the front reduce drag while moving air is grabbed from the rear scoop and channeled to the narrow rear exhaust vents.

Instead of simply adding MIPS® straight into the helmet, the baseline design for the ARO5 integrates MIPS® fully. This intentional design offers better comfort by distributing pressure points on soft brow pads and crown pads when tightening the helmet down. The Boa® 360 Fit System was chosen for this helmet to provide the effortlessly integrated eyewear dock. With the low-profile nylon webbing that makes up the 360° tightening system, eyewear can be stowed without getting snagged and caught in the helmet, unlike other fit systems.


  • An integrated eyewear dock to securely stow your shades and keep them handy for quick and easy access
  • BOA® 360 Fit System has a soft textile feel and flexibility. The TX1 Lace lies flat against your head, allowing for seamless eyewear compatibility
  • X-STATIC®l BROW PADDING: X-Static® harnesses the power of silver to create a powerful technology that inhibits the growth of bacteria on fabric, eliminating odor for the life of the product. Also ships with a secondary set of pads
  • MIPS® INTEGRATION: The MIPS® Brain Protection System is a helmet integrated, low friction layer designed to reduce rotational motion transferred to the brain during an impact
  • Helmet Travel Bag and Oakley Decal Included
  • Small (52-56cm) / Medium (54-58cm) / Large (56-60cm)

  • Free Exchanges: This product qualifies for free exchanges within the first 60 days after order. We'll cover the shipping both ways for US customers if you need a different size and/or color of this product. Returned product must be in new condition with all labels and packaging. Free exchanges apply only for product in stock or available for backorder.

    B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    Head Circumference20½"-22"21¼"-23"22"-24½"   

    Material: lightweight polycarbonate 


    Impact Foam: EPS impact foam, MIPS low-friction liner 


    Vents: wide ventilation channels at front, top scoop with rear exhaust vents 


    Fit System: Boa FS-1 dial with 360-degree fit 

    Black/White - Small

    Mfg PartNum: FOS900148-022 S 

    Black/White - Medium

    Mfg PartNum: FOS900148-022 M 

    Black/White - Large

    Mfg PartNum: FOS900148-022 L 

    White - Small

    Mfg PartNum: FOS900148-100 S 

    White - Medium

    Mfg PartNum: FOS900148-100 M 

    White - Large

    Mfg PartNum: FOS900148-100 L 

    Blackout - Small

    Mfg PartNum: FOS900148-02E S 

    Blackout - Medium

    Mfg PartNum: FOS900148-02E M 

    Blackout - Large

    Mfg PartNum: FOS900148-02E L 

    Blackout - X-Large

    Mfg PartNum: FOS900148-02E XL 

    Fog Grey - Medium

    Mfg PartNum: FOS900148-20E M 

    Fog Grey - Large

    Mfg PartNum: FOS900148-20E L 

    Navy Balsam - Medium

    Mfg PartNum: FOS900148-9A5 M 

    Navy Balsam - Large

    Mfg PartNum: FOS900148-9A5 L 

    Red/Grenache - Medium

    Mfg PartNum: FOS900148-9A6 M 

    Red/Grenache - Large

    Mfg PartNum: FOS900148-9A6 L 

    Retina Burn/Black - Small

    Mfg PartNum: FOS900148-9A7 S 

    Retina Burn/Black - Medium

    Mfg PartNum: FOS900148-9A7 M 

    Retina Burn/Black - Large

    Mfg PartNum: FOS900148-9A7 L 

    Retina Burn/Black - X-Large

    Mfg PartNum: FOS900148-9A7 XL 

    White/Rubine Red - Small

    Mfg PartNum: FOS900148-9A8 S 

    White/Rubine Red - Medium

    Mfg PartNum: FOS900148-9A8 M 

    White/Rubine Red - Large

    Mfg PartNum: FOS900148-9A8 L