Casual doesn’t have to be careless.  French women – who wouldn’t be caught dead running errands in their workout gear (for better or for worse) – have been proving that for years.

Likewise, tailored doesn’t have to be stuffy and serious.

This fabulous wrinkle-free, tailored shirt from Banana Republic elevates a pair of denim shorts and slip-on sneakers for a cool, weekend-ready look that’s pulled together.  The look is equally effortless and intentionally chic.

And – ah – the crisp, white, tailored shirt.  It’s virtues are plentiful.  Classic, chic, timeless, clean.  Buttoned-up to the throat, it’s prim and preppy.  Relaxed and open at the chest, it’s alluring and sexy.  Equally appropriate at the office, the market and blinged-up for evening.  (Also, my favorite poolside or oceanside cover-up.)

Borrowed from the boys, generations of women have relied on the versatility of a white collared shirt, once only offered to men and meant to accommodate a necktie.  And who can blame us?

If you don’t have one already, invest in a well-tailored white shirt – preferably wrinkle-free with a little stretch for a proper fit that’s still comfortable – like this one from Banana Republic.

1. Riley-Fit Poplin Shirt from Banana Republic (for a killer price of only $48.). 2. Hudson knee-length denim shorts. (If you don’t see your size, try these, which are similar. 3. Vans slip-on suede sneakers in Wild Dove. 4. Bag is Merona from Target (cheap!!)