The Rampage Full Face Mountain Bike Helmet delivers aggressive styling and top-notch performance at an affordable price. With a lightweight, injection-molded ABS shell inspired by the Rampage Pro Carbon, it offers 360-degree ventilation for all-day comfort. Mips® technology reduces rotational forces on impact, while the fully adjustable, goggle-compatible visor ensures a perfect fit. Ideal for downhill riders seeking safety and style. Features: Lightweight injection molded ABS shell Mips® protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain 360-degree ventilation to help keep you cool while riding Double D-Ring closure Adjustable goggle-compatible visor Meets the NTA-8776 E-bike helmet certification standard Weight: 1130g .helmet-detailed-chart { width: 100%; max-width: 650px; border-collapse: collapse; font-family: Arial, sans-serif; margin-top: 1em; } .helmet-detailed-chart th, .helmet-detailed-chart td { border: 1px solid #ccc; padding: 10px 12px; text-align: center; } .helmet-detailed-chart th { background-color: #f5f5f5; } .helmet-detailed-chart td:first-child { text-align: left; font-weight: bold; } Size Head Size (cm) Cheek Pads (mm) Hat Size (cm) Small 51 - 55 cm 20/30 mm (installed) / 30/40 mm (included) 16.2 - 17.5 cm Medium 55 - 59 cm 20/30 mm (installed) / 30/40 mm (included) 17.5 - 18.8 cm Large 59 - 63 cm 20/30 mm (installed) / 30/40 mm (included) 18.8 - 20.1 cm Extra Large 61 - 62 cm 35 mm 19.4 - 19.7 cm