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Hit the trails with confidence and in comfort with the Smith Engage MIPS bike helmet, featuring extended rear coverage, MIPS rotational protection, 21 cooling vents and 270° fit adjustment.

  • Features

    • VaporFit™ fit system offers 270° fit adjustment with the turn of a dial, providing a personalized, comfortable fit
    • Rotational motion can cause brain injuries; with MIPS, a low-friction layer slides 10 to 15mm in all directions, reducing rotational motion to the brain during impact
    • Coverage is extended on the back of the head for additional protection
    • AirEvac™ ventilation system with 21 vents promotes airflow to prevent fogging of your eyewear
    • Channels on the front of the helmet and a 3-position visor that rotates high allow for goggle storage
    • In-mold construction makes for a lightweight helmet that's perfect for hitting the trails; weighs just 12 oz. in size Medium
    • Performance comfort lining
    • Ultralight single-layer webbing
    • Certifications: CPSC, CE EN 1078


    To find your size, position a tape measure just above your ears and about 1 in. above your eyebrows. Keep the tape level to measure the circumference around the largest part of your head and then find the corresponding size in the Technical specs info.
    View all Smith Mountain Bike Helmets
  • Technical Specs

    Best Use

    Mountain Biking

    Helmet Style

    Mountain Bike

    Helmet Construction


    Shell Material


    Head Circumference

    S: 20.1-21.7 inches

    M: 21.7-23.2 inches

    L: 23.2-24.4 inches






    12 ounces



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