Swim shorts don’t really have much to differentiate themselves from other genres of shorts, but they have a couple of key requirements that enable them to be the optimal wear for entering water.
Gramicci expects people to actually Phelp it out in these shorts so they’ve chosen a variety of nylon that’s resistant to chlorine and added a mesh lining to hold everything together. The single rear pocket is secured with a small Velcro patch to keep valuables from becoming the next Wilsonnnnnn.