Question: Tough Choices

Here's my dilemma. I have brown socks, some white socks and black socks. I'm going to be walking my dogs later and wonder which socks I should wear? It's in the mid 50's today and I'm not sure what would be best.

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Canon 40D. Canon 50mm f1.4, canon 135mm 2.8/soft focus, Canon 70-200 f4L, Canon 24-105L. Sony Nex-7.