This spring, I purchased a new linen shirt to wear as the weather warmed. As far as I’m concerned, there’s nothing quite like linen in the summer. The fabric breathes and stays cool in the hottest weather. That was true even in Northern Virginia, where we lived for over thirty years. The summers there are hot but the worst part is the humidity, which is overwhelming. But my linen clothing stayed comfortable.There is one drawback, however. Linen wrinkles. It requires ironing, although for…