Studio : Longgang District, Shenzhen Yu Feng sporting goods factory Publisher : Longgang District, Shenzhen Yu Feng sporting goods factory Product Description Make sure the fit is right: Measure the circumference of your head or the persons head your are purchasing this for: Using a soft fabric measuring tape with centimeter increments to get the most accurate measurement. Place the tape measure snugly around your head approximately 1 inch above your eyebrows in front, and just above the top of your ears in the back which should also be under the bump at the back of your head Make sure you wear the helmet in right way: (1) Most obviously, you have to have the chin strap fastened. It won't do you any good if you are in an accident and the helmet is flying off. (2) The helmet needs to be smugly on your head--it should not be wiggling around, or sitting high on your forehead. One way to tell is if you open your mouth, you should feel the resistance of the chin strap. 0
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