make the Arch MK4 your best choice for all-around riding

It is not powerful enough to be used for offroad riding

Compatible with all A3 helmets

Cons: Might not suit helmets with limited venting

It has a backlight as well which you can toggle

DHaRCO Men's Padded Knicks Party Pants - M - Wilko Heavy/Bulky make the Arch MK4 yourPADDED MOUNTAIN BIKE LINERS FOR COMFORT Designed to wear under your favourite mountain bike shorts. The patterns make them a bit of fun and they come with medium density foam and premium padding to alleviate pressure points without too much extra bulk to keep you dry and comfortable, so you can ride longer.