Considering how expensive things are in Switzerland, Zara is a great place for shopping. Prices are…read moresimilar to ones you find in the US and especially, when there is sale, you might find much cheaper but more fashionable stuff than US. If you are in Basel, you might end up paying 30-40CHF for one t-shirt at a department store.
Why don't you stop by Zara and see if you get lucky to find a great bargain?
PS: Sale items are on the 2nd floor (for women)