After standing for more than half a year folded in cupboards, summer clothes will get an unpleasant smell and even small mold spots. Molded clothes are easy recognizable because it has gray spots or black.
Soak clothes for 2 or 3 hours in cold water with vinegar then wash clothes like usual and use a gentle balm to get rid of odor.
Apply on mold stains a solution made from 100 ml of hydrogen peroxide and 20 ml of ammonia and leave it for a few minutes then wash your clothes and rinse it thoroughly with cold water.
For older mold stains, pour 200 ml of ammonia directly on stain and leave it for 15 minutes then wash your clothes with detergent and water.