So you and your mates are off for a cheeky boarding trip after Christmas. Well, if you’re still sorting last minute presents, the Salomon Impact Custom Air could be just the ticket. This helmet, aimed at hardcore ‘boarding types, isn’t your average bonce protector. It has a unique air cushion system to stave off nasty knocks. Gimmick? Or a unique new take? Find out in our Salomon Impact Custom Air review.