Black Han Plastic Roller Skates Helmet Medium

Place the center of the buckle on both sides under your ears, and adjust the length. 2. Wear the helmet with the buckle under the chin and near the throat at all times. Adjust the tension of the strap and tighten or loosen it so that the strap is tight and comfortable. 3. The helmet has an adjustable fixing system to keep the helmet in the positive position during cycling. When need adjust, turn on the system knob to tighten or loosen clockwise. Specifications: Ultra-light materials, stylish and beautiful, comfortable to wear. The comfortable cushion lining can shockproof effectively. Vent holes can improve the helmet inside air flow. With adjustable rotating internal regulator, adjust the head circumference size flexibility