The Speed Air 4S Redline helmet has been created using a new concept patented by GPA which helps absorb shocks in succession, thus doubling your security. The point of impact is the center of a shock wave that can cause damage. Traditionally helmets are composed of two layers, a rigid shell and an EPS foam liner. The REDLINE collection is composed of four layers of materials. The 4S superposition offers remarkable damping ability and better resistance to lateral compression.
COMPOSITION of the 4S:
o 1S: Outer shell to cushion the first part of the shock waves. Made and designed absorbent polymer to deform under impact.
o 2S: This layer absorbs the residual shock wave.
o 3S: This is the main hull, reinforced with fiberglass, it provides rigidity and protection of the cranial box.
o 4S shell in EPS just finished decelerating shock crashing allowing no forward pressure on the cranial box and minimizes the risk of cranial lesions.
Key features of the Speed Air 4S Redline;
o Maximum ventilation with 3 large vents in the front and two in back to allow air flow within and between the two structures.
o Red leather interior offers aesthetics and durability with a leather chin strap.
o Interchangeable and adjustable comfort interior foam padding; treated Sanitized and Coolmax, breathable and antibacterial. Machine washable.
o The shaped turbo effect visor channels airflow to the air vents and reduces lift at high speeds. Made of elastomeric material to reduce the risk of fracture of the nose and it is also interchangeable.
Certified to European (EN 1384/A1) and complies with American SEI (ASTM F 1163-01) safety standards.