Wp MERINO i RIS — Ji 1. MEASURE Measure the largest circumference of your head, the distance from the carder of the forehead above the eyebrows and %” above the ears, around hack of the head to the center of the forehead. Sse 2. REVIEW Double check the measurement referencing the tape measure reading and the fitment charts below to find the appropriate size. 3. TRY IRON Try the helmet on that best matches your size measurements, Fasten the chin straps of the helmet.