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$109.99
Did you know you can adjust the fit of your helmet by changing the liner? Add a Liner Kit to get the perfect fit! Surrounding Size Kit includes 2 liners: one size smaller and one size larger than your helmet. All Size Kit includes all 7 liners for full coverage! For more info, visit The Complete S1 Helmets Buying Guide.
Keep your helmet protected wherever you go. Add the S1 Premium Helmet Bag to help prevent scratches, scuffs, and dust while in storage or transit. Perfect for tossing in your backpack or car so your helmet stays looking fresh for longer.
The S1 Lifer Helmet is fully certified to help protect against multiple low impacts and single high impacts.
XS (20.5"), S (21"), M (21.5''), L (22''), XL (22.5''), 2XL (23"), 3XL (23.5")
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