MOQ20 Adjustable Outdoor Riding Helmet

Made of high quality ABS material, smooth ventilation system helps to protect and enjoy skating, cycling, BMX, MTB, etc. Good attachment and long-lasting adjustment of the dial and skin-friendly adjustable chin strap maximize optimal fit and comfort for wearing. To find the right size bike helmet, start by measuring your head circumference with a soft measuring tape around the largest part of your head, an inch above your eyebrows. Alternatively, wrap a string around your head and measure the length of the string with a yardstick. If your size is between 21.25 and 23.62 inches, it is recommended to choose large. 6.1″ L x 9.4″ W