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About Giro Sonnet Bike Helmet (For Women)

Closeouts. Designed to provide excellent adjustability and ventilation, Giro's Sonnet bike helmet features the Roc Loc® 5 fit system and 25 Wind Tunnel vents.


Specs about Giro Sonnet Bike Helmet (For Women)

  • Fit system: Roc Loc® 5
  • Construction: In-Mold EPS liner, polycarbonate shell
  • Ventilation: Open
  • Number of vents: 25
  • Bike/Skate: CPSC
  • Weight: 9.4 oz.
  • Material: (expanded polystyrene) liner
  • Gender: Women
  • Recommended use: Road cycling,Mountain bike
  • Made in China
  • Visit our Helmet Guide
  • US shipments only


Do you own this product? Write a review and help others with their buying decisions!

4.615384 5 Overall Rating: 4.6 Based on 13 reviews

Most Helpful 5-Star Review

Verified Buyer Reviewed by Norine the dog walker from Michigan on Saturday, April 25, 2015
I shopped and tried on quite a few bike helmets before deciding on this one. I really liked the wheel to tighten the helmet on my head and it was really light and comfortable. I finally had my first opportunity to use it last weekend on a 15 mile bike ride and I was not disappointed with my purcha... Read More
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Question & Answer

Questions about this product? Get answers from community and staff experts.

  • “What are the manufacture dates on the current stock being sold? I see a past comment mentioned a 2014 mfg date. ”
    Asked by Trixi from Michigan on 2/20/2017 6:24:09 AM
  • “Does this version have MIPS? Thanks!”
    Asked by KT from DC on 4/2/2015 2:08:51 PM
    • I do not believe it has MIPS. I trust Giro & they comply with CPSC standards, so it may be worth a looksie if you catch it on deal flyer & have a small-ish head.
      Answered on 4/2/2015 4:46:24 PM by kayla_hikes from Wyoming
    • I think it does not. The manufacture date sticker is January 2014. I don't have the original packaging, but there is nothing on the helmet saying it has MIPS. Probably not new enough...
      Answered on 4/4/2015 11:56:37 AM by Pine Cone from Western Washington

  • Is this a 2014 helot?”
    Asked by Bonnie from Califonria on 3/23/2014 11:09:54 PM
    • No.
      Answered on 3/24/2014 12:36:57 PM by Product specialist Marv from Sierra Trading Post

About Giro

Over the past three decades, Giro has grown to become a household name in bike helmets, ski helmets and high-performance optics. Available in a wide assortment of models and price points, Giro helmets are built to protect the craniums of weekend warriors and professional athletes alike. From super-aerodynamic triathlon helmets to full-face MTB lids, Giro bike helmets are some of the most technologically advanced in the industry. On the slopes and in the backcountry, Giro ski helmets provide a seamless blend of impact-protection, warmth and sleek aesthetics, all in a lightweight package. Already love this brand’s sport helmets? You’ll be equally impressed with Giro goggles, gloves and cycling shoes, too. Exceptional design. Elite protection. That’s Giro.