I dont normally like these jackets but this one looks good. Every business man needs a definitive sports jacket. Checkered blue jacket with a small yet eye-catching lapel pin (in maroon, no less) works wonder with in an otherwise plain blue/grey ensemble.
Now here is some really beautiful creativity in menswear. I love the way the blue and white stripe shirt bring out the pattern in the blazer, and the browns will not overpower the outfit, since the pants are much lighter.
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Wide Bengale Stripe with a Micro Pattern will always work. The key is to wear different pattern types with opposite size/scale. (side-note: the fine striped suit works because its a faint stripe and is smaller in scale compared to the dress shirt.