【Bicycle Helmet & COMPLIANCE 】: Ultralight bike helmet, weighing only 315 grams / 11.1 ounces. You don’t even feel it on your head and Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older.

【Safe and Impact Resistance】: Using multi in-moulding technology, a polycarbonate cover has been created on the top, base ring and back of the helmet’s shell. Joined to the inner polystyrene cap, shell shock absorption is drastically improved to enhance safety and install your ride with a new-found confidence.

【Excellent Ventilation】: With its compact profile and 8 large vents, you will stay cool as you cruise, while the easy one-handed adjustable Spin Action Fit system gives you unbeatable comfort. The lining: removable, protective and sweat absorption lining pad, which is comfortable to wear and easy to wash.

【Adjustable Dial & Straps】: The adjustable fit system for men and women. Suggested head circumference: L(22.8-24 in/58-61cm), M(21.3-22.8 in/54-58cm). This PMT bike helmet including an adjustable harness that wraps fully around the head for even pressure distribution.

【To Find Your Size】: Position a tape measure just above your ears and about 1 in. above your eyebrows. Keep the tape level to measure the circumference around the largest part of your head and then find the corresponding size in the Technical specs info.