4SR Chest protector MT-09 This Pocket style filter allows

This Pocket style filter allows more air that your OE filter and any replacement out there

comfortable elastic waistband (4

the four bent hooks on the filter must hold the filter in place

FJ-09 Tracer

4SR Chest protector MT-09 This Pocket style filter allows4SR the flexible and light chest protector was developed in cooperation with the Sas Tec company. Due to unique technology of viscoelastic material with memory effect it can absorb crash and contribute to safety increase significantly. Rider appreciates the protector elasticity when using it, because it is not almost apparent and adapts to all moves. Due to Velcro fastening it can be attached to all racing one piece suits & RR Evo Edition two piece