8-10 Pairs No Show Athletic Socks Hiking Running Low Cut Cushion Socks For Women No Slip Off Ankle Socks

I’m a size 8. What size should I get?

I wear a 8.5 shoe should i get the large size

Could this be used by men?

How can I contact the company? my daughter got these for my wife for her birthday and one pair has holes and another pair is like two different sizes