I would make sure to double rinse any detergent residue out.
Usually whatever the Hot setting is on the washing machine is what to use.. exact temp doesn’t matter unless items might shrink too much.. Or directions say no hot wash or dry....

Here is some home /self care fixes for athletes foot.
As mentioned bleach may not do much for it..
http://www.globalhealingcenter.com/n...t-home-remedy/
http://www.myhomeremedies.com/topic.cgi?topicid=18

Keep feet, socks & shoes dry
constant moisture in shoe /foot is the main cause
fresh air, sunlight
go barefoot or slippers at home..