In-mould manufacturing for a durable connection to the outer shell with shock-absorbing helmet material (EPS) Zoom Ace FF: Adjustment system to fit the head circumference Collarbone protection edges QUIN ready - easy upgrade with the separately available QUIN chip Breakaway visor bolts Ambiant Sound Channels (ASC) for improved hearing. Breathable cheek pad inserts Design suitable for goggles Double D-ring buckle system Ventilation: excellent ventilation through 11 air inlets and 6 air outlets MIPS: Impact protection that protects the brain, especially when the cyclist's head hits the ground at an angle during a fall 
