Home  >  IRH® Equi-Vent DFS™ Riding Helmet

The next generation in riding helmet design. Unique carbon printed outer shell is detailed with co-molded bottom trim for a sleek look. IRH® Dial Fit System™ allows rider to achieve a perfect fit and reduce helmet shift. Patented front vent safety strip makes this one of the most technically advanced schooling helmets, with maximum air circulation to keep you cool.**ASTM F1163-04a/SEI Certified. Notice and WarningSizes S(6 1/2-6 3/4), M(6 7/8-7 1/8), L(7 1/4-7 1/2).

Measure around your head at the widest part, be sure to do this with your hair up if that is how the helmet will be worn. Match the measurement up with a size based on the size chart below. The tape measure should be snug.

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For individual size charts and meaurements, please refer to the "Size Guide" link that appears on the product page.

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