These are the only true no-show wool-blend socks I've found.  They work well with the fairly low-cut flats that I wear most of the time, and also do fine under Toms.  They do show a tiny bit around my lowest flats, such as&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Rockport-Women-s-Total-Motion-20mm-Cap-Toe-Skimmer-w-Medallion-Light-Gold-Flat-9-5-W-C/dp/B00IER5XO4/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Rockport Women's Total Motion 20mm Cap Toe Skimmer w/ Medallion Light Gold Flat 9.5 W (C)</a>, but as long as the sock matches either the shoe or my skin, I don't think it's too noticeable.

A note on sizing:  I'm usually a 9.5C shoe, and can generally compromize on a 10B.  I initially ordered these in Medium (7-9.5), and found them unbearably tight.