Each pair of Bermies is made out of 90% polyester and 10% lycra which means they are stretchy, breathable, fast-drying but most importantly extremely comfortable. Our trunks also come with with a 4 way stretch, 100% polyester, high quality mesh liner, which means you can say goodbye to rashes and wedgies. There are two side pockets and a back pocket with velcro tab and elastic key loop. Bermies are all about comfort, quality and style at an affordable price!