The giro skyline ii helmet the latest evolution of a longtime favourite design the skylinetrade ii delivers fit and comfort that rivals our best helmets with a value thatrsquos easy on the wallet a sleek visor delivers a little shade and shelter and a single universal fittrade size with our acu dialtrade system lets you quickly dial in fit adjustments on the fly the skylinetrade ii is available in a range of colours so you can be seen how you want to be seen giro skyli