If the doubled-up fabric and/or non-manifold welding are the problem for the retopo, I could just remove the fabric that's underneath the trim before exporting. Or I could make a hem and not export that.

Do you know how to remove polys by material? That would make things easier for me, I'd just add more materials, and you can pick out the parts you need.

Speaking of halter tops, here's something I just whipped up. Warm or cold? 

Also, it's amazing how much trickier thigh-high socks are to work with than below-the-knee ones.

-- I'm not mad at you, just Westphalian.