sm5 rash helmet ece night navy yellow fluo glossy YGroup_3763824 the hoodie is Tech Air® Ready YGroup_3210725 the hoodie is Tech Air® Ready and can accommodate the Tech Air® 5 or Tech Air® 3 Airbag System and thighs with open mesh ventilation and a muscle supporting compression fit while the five density EPS liner ensures the correct density in the correct area for enhanced impact absorption The lightweight SM5 helmet features a thermo injected shell incorporating a special polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight