I've always been on the "cusp" of medium and large(5'8"/163lbs.) I bought this well priced jacket in large, and I don't think I would change a thing about the sizing. It would be nice if it were a little heavier (warmer) but I live in Las Vegas, and there should be no problem with light layering. Very pleased with the hide and will keep an eye on other products by this seller.
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