The helmet features a transparent, anti-fog visor for optimal visibility and a ventilation system to promote airflow, keeping you cool in all weather conditions
The illustration below clearly shows the relationship between hook sizes and designations
The back panel should be totally flush with my back and, with the pack on, I should be able to stand with a straight posture without difficulty, even with a full load
Out of all, I picked the top 6 that really stood out
Product Description Lightweight polycarbonate shell 3 EPS sizes for maximum comfort and size range Velocity Flow Ventilation creates the most ventilated helmet in the open face category Accommodates the Bell-specific Sena SMH10 Bluetooth and Cardo Scala Rider Q1/Q3 stereo headset and intercom If you already have a Sena SMH10 unit, a Bell-specific clamp and boom will be necessary to install If you already have a Cardo Scala Rider Q1/Q3 unit, a Bell-specific adapter will be necessary to install Helmet can be run in multiple configurations: with or without shield and with or without visor Fast and easy tool-free shield changes Drop-down sunshield offers on the fly protection from the sun Removable and washable interior for maximum comfort Contour cheekpads for superior fit and comfort Convenient speaker pockets make it easy to set up the Mag-9 Industry-leading Five-year warranty Shipping available in USA only.

Our unique AIR X FLOW back padding boosts airflow to keep you comfortable and cool