The S1 Lifer Helmet is constructed with specially formulated EPS Fusion Foam so the helmet foam is soft enough to protect you from multiple lower impacts and hard enough to protect you from the single super high impacts. The soft sizing liners are there to help the helmet fit your head perfectly. The S1 Lifer Helmet is ASTM Certified, CPSC Certified, EN 1078 certified and AUS/NZ Certified.
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