My retailer location only had the blue option, which i found to be very appealing and better in person for the following reasons:
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pros:
- lighter knit like others mentioned.
- the blue is a deep blue with threads of shimmery black that give it a more elegant touch while still being casual. i didn't see the grey, so i cannot compare the two differences, but i found the blue color lovely.
- this looks much better in person!
- it sat well on my tall frame of 5'9", 36 c, wide hips, and hour