You probably do if you want to carry any of the below:
Perhaps a towel
Don't worry about your keys, they are zipped up safely in your Stolmid Shorts
Reduce your plastic footprint:
According to the World Wide Fund for Nature (WWF), a whopping 8.8 million tons of plastic end up in our oceans every year. Because plastic is neither biodegradable nor digestible, it poses an enormous danger to marine life and the environment, and unlike paper or food, it has the potential to stick around for centuries.
Instead of using plastic bags when you go shopping, keep a few reusable totes in your purse or your car so they’ll always be handy. These fun patterned bags are sturdy yet lightweight, and can easily be folded flat so they won’t take up much space