Design & Technology: Minimalist bike helmet ideal for everyday riding 13 strategic vents help keep the air flowing for optimal ventilation Adjustable dial fit allows for easy on-the-go size adjustment Reflective stitching on the chin strap keeps you visible in low-light situations Lightweight in-mold construction helps eliminate added bulk Single-layer webbing with reflective details Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older Style: EXPRESS HLMT