ALL NEW Limited Edition SuperTech MIG Racewear This design includes a deflector built into the shoulder of the jersey utilizing 2 layers that will slip against each other. Alpinestars Force Deflector (AFD) is the first of its kind in motocross racewear – this design is taking the same implication of MIPS that you would see in helmets and applying a design to the shoulders to reduce any direct or rotational forces to the rider’s shoulder in the event of a crash. 3761725-3117-S 3761725-3117-M 3761725-3117-L 3761725-3117-XL 3761725-3117-2XL