CAIRBULL CB-02 MTB Bicycle Helmet PC+EPS Dual Layer Lightweight Cycling Safety Helmet - Black / Size S / M

• 21 hole cutout design, more breathable, effectively reduce wind resistance
• The protective material EPS is foamed directly into the polycarbonate shell. A lightweight helmet design with maximum impact resistance and the perfect fusion of the EPS inner layer and PC outer layer
• A channel system on the inside guarantees the perfect flow of incoming and outgoing air and leads to exceptionally high ventilation values
• Lightweight design, it makes your road, recreational or commute riding more effortless
• Dual layer structure, this helmet is sturdy and durable, has long service life

Specification:

• Head circumference: S/M: 54-58CM, M/L: 58-61CM
• Material: PC+EPS
• Holes quantity: 21pcs