Smith Optics Road Bike Helmets E00736 Ignite MIPS Helmet Color:47I - Matte Shale Livery These frames measure 52-14-135mm and

These frames measure 52-14-135mm and work well for a range of face shapes

and 9 o'clock positions for quick orientation

not too small—making them an easy daily choice

Choose from Brushed Dark Brown or Brushed Graphite finishes—both offer a understated

Spring hinges built into the 135mm temples offer flex and a secure fit

Smith Optics Road Bike Helmets E00736 Ignite MIPS Helmet Color:47I - Matte Shale Livery These frames measure 52-14-135mm andProtection Lightweight Aerocore in mold construction Zonal ventilated protection featuring Koroyd Integrated skeletal structure MIPS system available in all colors Fit VaporFit adjustable fit system 8 optimized vents XT2 anti bacterial performance lining Ultra light single layer webbing Integration AirEvac ventilation Ultimate eyewear integration Weight (Size M, MIPS) 11oz 310g Certification CPSC, CE EN 1078 Size Guide Small: 51 55CM Medium: 55 59CM