Size Adjustable:
Adopts a new adjustment system that allows you to adjust any fine amount of detail adjustments, so you can easily adjust it at any time.
To loose: turn the dial to the left and the adjuster will expand.When tightening: Turn the dial to the right and the adjuster will tighten.It ensures a comfortable fit on the back of any shape.
Size S: Head Circumference: 19.7 - 21.3 inches (50 - 54 cm); Weight: Approx. 11.8 oz (325 g); Recommended Age: 3-8 years old.
Size M: Head Circumference: 21.3 - 22.8 inches (54 - 58 cm); Weight: Approx. 12.8 oz (355 g); Recommended Age: 9 - 12 years old.
Size L: Head Circumference: 22.8 - 24.4 inches (58 - 62 cm); Weight: Approx. 13.8 oz (380 g); Recommended Age: 13 years