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Mountain Bike Helmets

(47 products)
Products (47)
Sort: Best Match
  • Sale Ends Sep 1
    Top Rated
    CannondaleTrail Bike Helmet
    $24.99
    Save 50%
    compared to  $50.00
    20 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.66 lbs
  • Sale Ends Sep 1
    FoxSpeedFrame Mips Bike Helmet
    $89.89
    Save 25%
    compared to  $119.95
    8 reviews with an average rating of 4.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.82 to 0.97 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    GiroFixture Mips II Bike Helmet
    $63.69
    Save 25%
    compared to  $84.95
    16 reviews with an average rating of 4.4 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.73 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    Top Rated
    GiroRadix MIPS Bike Helmet
    $89.89
    Save 25%
    compared to  $119.95
    49 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.7 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    Top Rated
    LazerCoyote Kineticore Bike Helmet
    $89.99
    Save 25%
    compared to  $120.00
    13 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.75 lbs
    Featured Tech:
    KinetiCore
    Top Rated
    SmithConvoy MIPS Bike Helmet
    $85.00
    403 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.66 lbs
    Featured Tech:
    Mips
    SmithSession Mips Bike Helmet
    $101.73 - $124.73
    Save 26% - 40%
    compared to  $170.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    42 reviews with an average rating of 3.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.82 lbs
    Featured Tech:
    Mips
    REI OUTLET
    Top Rated
    SmithEngage Mips Bike Helmet
    $150.00
    554 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.77 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    CannondaleTract Mips Bike Helmet
    $62.49
    Save 50%
    compared to  $125.00
    2 reviews with an average rating of 4.5 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.86 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    CannondaleRyker Adult Bike Helmet
    $39.99
    Save 50%
    compared to  $80.00
    4 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.71 to 0.73 lbs
    SmithForefront 2 Mips Bike Helmet
    $148.73 - $179.73
    Save 28% - 40%
    compared to  $250.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    44 reviews with an average rating of 4.2 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.88 lbs
    Featured Tech:
    Mips
    REI OUTLET
    Top Rated
    SmithForefront 2 Mips Bike Helmet
    $153.73
    Save 38%
    compared to  $250.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    13 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.88 lbs
    Featured Tech:
    Mips
    REI OUTLET
    Top Rated
    SmithMainline MIPS Bike Helmet
    $310.00 - $350.00
    414 reviews with an average rating of 4.7 out of 5 stars
    Helmet Style:
    Full-face
    Weight:
    1.69 lbs
    Featured Tech:
    Mips
    FoxDropframe Pro Mips Bike Helmet
    $157.73
    Save 29%
    compared to  $224.95
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    2 reviews with an average rating of 4.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    1.07 lbs
    Featured Tech:
    Mips
    REI OUTLET
  • Sale Ends Sep 1
    Top Rated
    GiroSource Mips Bike Helmet
    $112.39
    Save 25%
    compared to  $149.95
    8 reviews with an average rating of 4.8 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.71 to 0.88 lbs
    Featured Tech:
    Mips
    GiroCoalition Spherical Mips Bike Helmet
    $227.73
    Save 29%
    compared to  $325.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    1 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Full-face
    Weight:
    1.76 lbs
    Featured Tech:
    Mips
    REI OUTLET
  • Sale Ends Sep 1
    FoxProFrame Mips Bike Helmet
    $247.39
    Save 25%
    compared to  $329.95
    0 reviews
    Helmet Style:
    Full-face
    Weight:
    1.59 to 1.74 lbs
    Featured Tech:
    Mips
    TrekRally WaveCel Helmet
    $63.83
    Save 60%
    compared to  $160.00
    12 reviews with an average rating of 4.4 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.79 lbs
    Featured Tech:
    WaveCel
    GiroManifest Spherical Mips Bike Helmet
    $181.73
    Save 30%
    compared to  $260.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    1 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.75 lbs
    REI OUTLET
  • Sale Ends Sep 1
    LazerJackal KinetiCore Bike Helmet
    $149.99
    Save 25%
    compared to  $200.00
    2 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.75 lbs
    Featured Tech:
    KinetiCore
    Top Rated
    SmithSession MIPS Bike Helmet
    $200.00
    673 reviews with an average rating of 4.6 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.82 lbs
    Featured Tech:
    Mips
    GiroMerit Spherical Mips Bike Helmet
    $164.93 - $179.89
    Save 25%
    compared to  $219.95 - $239.95
    1 reviews with an average rating of 4.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.79 lbs
    Featured Tech:
    Mips
    GiroTyrant Spherical Mips Bike Helmet
    $111.73
    Save 30%
    compared to  $160.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    1.32 lbs
    Featured Tech:
    Mips
    REI OUTLET
    FoxSpeedframe Pro Fade Bike Helmet
    $132.73
    Save 30%
    compared to  $189.95
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    1 reviews with an average rating of 4.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.78 to 0.84 lbs
    Featured Tech:
    Mips
    REI OUTLET
  • Sale Ends Sep 1
    GiroMontaro Mips III Bike Helmet
    $149.89
    Save 25%
    compared to  $199.95
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.9 lbs
    Featured Tech:
    Mips
    SmithForefront 3 Mips Bike Helmet
    $300.00
    1 reviews with an average rating of 5.0 out of 5 stars
    Helmet Style:
    Mountain Bike
    Weight:
    0.9 lbs
    Featured Tech:
    Mips
    GiroArtex Mips Bike Helmet
    $97.73
    Save 30%
    compared to  $140.00
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.75 lbs
    Featured Tech:
    Mips
    REI OUTLET
    GiroMontaro Mips II Bike Helmet
    $119.93
    Save 25%
    compared to  $159.95
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.82 lbs
    Featured Tech:
    Mips
  • Sale Ends Sep 1
    LazerChase KinetiCore Bike Helmet
    $149.99
    Save 26%
    compared to  $205.00
    0 reviews
    Helmet Style:
    Full-face
    Weight:
    2.18 lbs
    Featured Tech:
    KinetiCore
    FoxSpeedFrame Pro Blocked Bike Helmet
    $112.73
    Save 40%
    compared to  $189.95
    Members use code LABORDAY2025 for an extra 20% off at REI Outlet
    0 reviews
    Helmet Style:
    Mountain Bike
    Weight:
    0.78 lbs
    Featured Tech:
    Mips
    REI OUTLET
1–30 of 47 products
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