If you're looking for a happy medium, why not take a look at this Theory Moto Jacket. While the price is very reasonable, this piece is an easy wardrobe update. It's also worth taking a look at this Theory Vest. This piece is extremely popular and, just as importantly, not very expensive.
If you're not a thrifty type, then what you're looking for is this Theory Jacket. It's more expensive but worth your money. Why not take a look at this Theory Jacket too? Expensive, but worth every penny.