Light Violet Shorts from yoox.com
If you'd rather not spend much, your best bet is these Dr. Denim Shorts. It's a great piece, while not very costly. You might also want to consider these Uniform Shorts. It's a product you'll love which also won't break the bank.
If you're looking for a bargain, why not opt for these DSquared Shorts. While the price is very reasonable, this item is an easy wardrobe update.