If you don't want to buy fancy socks from mega companies like Adididas and Nike, you can always improvise. Like these folks in South Africa who are using condoms to hold up their socks.
As part of their pre-match kitting up, some Cape Town soccer players are slipping on condoms on their feet, so that their socks can stay up longer during matches. These creative sportsmen have discovered an innovative way of using condoms to secure and keep up their football socks, in the absence of expensive soccer socks, elastic or rubber bands. Condoms strewn on sportsfields in informal settlements have, of late, become a common sight. That they can be obtained free is an added bonus.