ABS hard shell: Robustly constructed helmet made of EPS and injected outer shell High visibility: High visibility due to bright reflectors Bug mesh: Thorough protection against insects Ponytail compatibility: Helmet well suited for ponytail wearers Full ring: Fully enclosing plastic ring connected to the adjustment system XL Size: Large helmet size available (62+ cm) Ventilation: Optimal ventilation for this helmet type with 5 air inlets and 8 air outlets Zoom Ace Urban: Fine-adjustable adjustment system with non-slip adjustment wheel for individual fit Front and rear light for 360° visibility 3 light modes: Eco Mode, Eco Flash Mode (flashing) and Power Flash Mode (flashing) LED light recharges quickly via micro USB