Vigor Helmets R-Series Bike Helmet 12 Massive intake vents and 12 exhaust vents will keep your head cool even on the longest rides and hottest of days Double In-mold design provides a sleek look and increases durability. The rear dial adjustment system issimple and secure, and has a free floating vertical adjustment to ensure you always have the perfect fit. CPSC/CE and AS/NZ certified; know you are well protected. Ultra lightweight design to reduce neck fatigue(290g s/m) sized 54-58cm white pink on Matte black