Lately, I've been feeling most comfortable in this turtle neck -- not normally something I wear -- but it's one of those winter staples that east coast weather demands.  This one, with the subtle stripes can be easily combined with a variety of patterns, and in this case with plaid, then balanced off with some neutral basics like a leather lapel coat and pair of heels.

UNIQLO shirt and pants (similar here) ZARA coat GORJANA rings and bracelets