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 for your specific needs and personal preferences. 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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What size should I select if I want to wear the Smart Jacket under my jacket?