The Smart Jacket is made of a special stretch fabric and comes with a convenient waist adjustment system so you can wear it over or under whatever garment or motorbike jacket you choose to meet your specific needs and personal preferences.
WARNING: Ensure that your jacket has at least 2 extra inches in circumference before wearing your Smart Jacket under it. This extra space is necessary so that there is no constriction should the airbag system activate.
To check which size is best to wear over or under your clothing, we suggest you look at the size chart at this link or visit your nearest Dainese store to try the jacket on.
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