How a Top Hat Plan Works Top hat plans differ from standard employer-sponsored retirement plans like 401 (k)s and 403 (b)s. Unlike those plans, top-hat plans are not meant to be tax-qualified.

The materials used in a hat—the dyes or textiles, for example—could also play into hair loss, says Dr. Adam Friedman, a professor of dermatology at George Washington University.

Because baseball hats can lose their shape with a lot of jostling and manipulating, hand-washing is your safest bet. Experts say you can wash a hat in the sink using the same detergent you use to ...