I have been servicing helmets for over twenty years and I have to agree with Dan1978 the EVO is a great helmet. I own several helmets and it often comes down to personal preference.
Alpha, I waited almost two year for parts from one Alpha distributer! But they are a good helmet. Go to Davwire (Gary Gaudreau), good service and fast. The Alpha has plenty of room inside for a Bose, but also many pilots say that they are cooler to were in hot weather as they have plenty of room inside.
Gallet, is great, but the chin strap should have been redesigned long before it was released fo