IH-9527J - 21oz Denim Rider's Jacket - Superblack Non-Fade
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Jz714, I'd say go for a Large: it will give you that extra length (+2cm) and width at the bottom hem (+4cm) that you need, the sleeves might then be a bit too long, but after a good deal of wear they will shorten a bit due to the forming of the arm combs…
For comparison: I have a 40" chest and wear just about every IH shirt in size L, but for this jacket I went XL (tagged 42), ...