RE: Need Socks
I have two types of socks:
Smart wool and regular bulky ragg wool. The smart wool ones I have are fairly thin and I wear them with snugger fitting shoes and where padding is not important. They are well designed and effective. But expensive.
I wear regular, bulky ragg wool socks where I need bulkiness or padding, for example when carrying a heavy pack on hard surface (e.g. backpacking in rocky areas.). I haven't found any sock, wool or synthetic, of any design that works as well for me as this old stand by.
I frequently wear liners and have a bunch of very thin synthetic (olefin? or poly pro?) liner socks. It's important that they fit well as opposed to some I used to have that were tube type and just didn't do the job. Aside from wicking, properly fitting liner socks can help prevent blisters. Any sliding that is done is between the liner and the outer sock instead of between the sock and the skin.
I have also found that a few pair of old, black synthetic yarn dress socks I have work well as liners in bulkier (e.g. pac boot) conditions. They're synthetic so they tend to wick moisture and stay warm when damp, and they're fairly well fitting and a little bulkier than the other liners I have.
Bottom line advice: spend the extra couple of bucks per pair for decent wool socks as opposed to bargain bin ones. For one thing, they generally just are better quality and the long term cost is minor. Good wool socks last for years.