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Smith Optics

Mainline MIPS

Updated: November, 2023


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At Ride Review, we pride ourselves on finding the perfect gear for riders of all types. And when it comes to helmets, safety and performance are our top priorities. That's why we've delved into the reviews and specs of the Smith Mainline MIPS helmet to bring you our overview. The Smith Mainline MIPS helmet is a low-weight, full-face lid designed for riders who prioritize both protection and breathability. It's specifically tailored for enduro-oriented activities, making it a great choice for those who like to push their limits on the trails. One standout feature of the Mainline is its compatibility with big frame goggles. The eye port is designed to work seamlessly with goggles like the Smith Squad XL, ensuring a perfect fit and minimizing any airflow issues. This is a key consideration for riders who rely on goggles for clear vision during their rides. When it comes to build quality and durability, the Mainline receives high marks. Users have praised its solid construction and great materials, ensuring that it can withstand the demands of aggressive riding. Additionally, the adjustable visor allows for customization based on personal preference, adding to its versatility. Ventilation is an essential aspect of any helmet, especially for riders who engage in intense activities. The Mainline features the AirEvac ventilation system, effectively keeping your head cool during rides and preventing overheating. Now, let's address a couple of potential downsides. Some users have reported a creaky interface on the MIPS liner, which could be a concern for those seeking a quiet and seamless experience. Additionally, the Mainline MIPS helmet does come with a relatively high price tag compared to other options on the market. However, considering its exceptional safety features and performance, we believe the investment is well worth it. In conclusion, the Smith Mainline MIPS helmet is a top-tier choice for riders who prioritize protection, breathability, and an excellent fit with goggles. Its outstanding build quality, adjustable visor, and impressive look add to its appeal. While there may be a couple of minor drawbacks, we believe the Mainline MIPS is a reliable and high-performing helmet that will exceed the expectations of any enduro enthusiast.




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7 Reasons to Buy the Mainline MIPS

  • The Smith Mainline helmet is low-weight and designed for those looking for some extra protection.
  • It delivers excellent breathability and solid protection, making it suitable for enduro-oriented activities.
  • The eye port is designed to work with big frame goggles, providing good compatibility options.
  • The helmet has a highly-rated build quality and great materials, ensuring durability.
  • The adjustable visor allows for customization based on personal preference.
  • The AirEvac ventilation system helps to keep the head cool during rides.
  • The helmet has an impressive look, adding to its appeal.

2 Reasons Not to Buy the Mainline MIPS

  • Some users experienced a creaky interface on the MIPS liner, which may be a potential issue.
  • The Smith Mainline helmet has a relatively high price compared to other options on the market.

Bottom Line

The Smith Mainline MIPS helmet is a top choice for those who prioritize both protection and comfort. With its low-weight design, excellent breathability, and solid build quality, this helmet provides the ultimate combination of durability and functionality. The adjustable visor and compatibility with big frame goggles offer a personalized touch, while the AirEvac ventilation system keeps your head cool during intense rides. Despite some isolated reports of a creaky MIPS liner interface, the Mainline MIPS helmet remains a standout option in its class. Though it may come with a higher price tag, the Mainline MIPS is well worth the investment for those seeking a high-quality, reliable helmet for their enduro adventures.


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