The ST5F N KRT is a karting specific helmet which has a small, lightweight shell with an aerodynamic shape. The helmet interior is very comfortable and the visor provides an excellent field of view.Snell K2020 approvedSmall & lightweight shell reduces stress on the neckAerodynamic shape reduces buffetingWide visor aperture for better visionExcellent ventilation for cooling and reduced visor foggingEasy (one hand) visor locking mechanismBased on the popular ST5F N helmet, this KRT (kart) version utilises all of the great features of the ST5 range of helmets including a lighter, smaller shell, increased vision with a visor which lifts fully out of line of sight, high levels of comfort, improved aerodynamics, better ventilation and uses a visor locking clasp which can easily be operated with just one hand. Also, the large size helmet now uses the small shell size which in turn means more competitors fit into the smaller, lighter and more aerodynamic small shell size.This Snell K2020 appro