MAB v3.0. Complete with 2 airbag systems (frontal + rear) with FAST LOCK supplied.It is equipped with 2 lateral zippers to switch from one size to another and adjustments to adapt MAB v3.0 to the different jackets (winter or summer) that you can continue to use.Made of high tenacity polyester in Anthracite grey colour with reflective and fluorescent inserts.AIRBAG SYSTEM FEATURES    2 airbag systems (frontal + rear):    Certificated EN1621 / 4: 2013 Level 2: back, cervical, coccyx and thorax    Residual impact force: rear airbag 1,4kN - front airbag 0,8kN    Inflation time 80 milliseconds    Total volume 25 litres    Airbag System weight: 800 gr rear airbag - 600 gr front airbag    ReusableIN THE BOX    1 FASTLOCK activation cable already mounted    1 belt with ring to be mounted around the seat of the motorcycle for the activation cable    1 user manual    MOTOAIRBAG® identity card to be registered on the site    "Bubble" MOTOAIRBAG® sticker to attach to the motorcycle dashboard to remind, for the first uses, to hook and unhook the activation cable to the motorcycleCHOOSE THE SIZESIZESThe measurement is the chest circumference without a motorcycle jacket.T1 = S / M for body size 44/50 (88-102 cm circumference)T2 = L / XL for body size 52/58 (102-118 cm circumference)T3 = 2XL / 3XL for body size 60/66 (118-132 cm circumference)