Very beautiful bicycle helmet from Alpina Sports from the Thunder 3.0 collection. Equipped with the features of the popular Alpina Mythos 3.0, the Thunder 3.0 is a mountain bike helmet in a sporty look. The helmet has 25 ventilation openings that ensure a pleasant climate. For added safety, a HI-EPS inner shell and the production in the in-mould process were used. The size is 57 cm - 62 cm.