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Dainese Men's D-Air Smart Jacket Sizing

There is a reasonable degree of expansion in the Smart Jacket, and it should fit under / over most items based on your standard chest size. The only variance could be over a big, bulky touring jackets, for example. If you are planning to wear the Smart Jacket under your riding jacket, measure your chest size first wearing what you will wear when riding (base layers, t-shirt, fleece, etc.). If you are planning to wear the Smart Jacket over your riding jacket, measure your chest over the jacket.
Alpha Size Euro Size US Size Chest (cm) Waist (cm)
XS 42 32 82 - 86 70 - 74
SM 44-46 34-36 86 - 94 74 - 82
MD 48-50 38-40 94 - 102 82 - 90
LG 52-54 42-44 102 - 110 90 - 98
XL 56-58 46-48 110 - 118 98 - 106
2XL 60 50 118 - 122 106 - 110

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How to Measure

  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
  • W Waist
    Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.