W hen the boys were little, someone told me that it was more fun buying clothes for girls than boys—more than one someone, now that I think about it. They would say this with genuine sympathy, as if they were already imagining the two decades of long, boring shopping trips that lay ahead of me. For the most part, they were right. Boys’ clothes were awfully brown. Almost entirely so. Toddler clothes for boys featured a lot of generic trucks and extinct animals, but this was where the sense of whimsy came to a full, rattling, clanking stop. Beyond brown and blue, I was able to find plenty of items in green for my sons and every once in a while, some manufacturer would…