This pair's lace-up front and mesh boxers ensure a comfy fit while he's jumping waves and building sandcastles. - Shell and mesh boxer: 100% polyester- Signature embroidered Big Pony at the front left hem- Banded waistband. Elasticized at the back of the waist. Hook-and-loop fly with a lace-up closure. - Side on-seam pockets. Back right patch pocket with a metal drainage grommet.