Maximizing skin exposure by wearing less clothing allows for greater capture of photons.

“These data also might make you think a little bit about whether or not you should wear short sleeves or long sleeves, whether or not you want to wear shorts or a skirt or pants. But you might take into consideration that it is the total amount of skin exposure that is going to allow you to capture more or fewer photons depending on, for instance, if you're completely cloaked in clothing and you're just, you know, exposed in the hands, uh, neck and face such as I am now, or whether or not you're outside in shorts and”