Waffle back panel: The back panel is constructed using an extremely lightweight and high stretch fabric with a waffle structure to give maximum breathability and comfortable fit

Featuring layers of lightweight

Siren button: Emits a loud siren noise when pressed

they are portable

Rip Curl Men's Mirage MF Driven Ultimate Boardshorts Size:33 Waffle back panel: The backUltimate doesn't even come close to describing the awesomeness that is the Rip Curl Men's Mirage MF Driven Ultimate Boardshorts. Made out of quick drying fabric that can move with you in the water, this is a boardshort that's made for your daily life on the beach. Benefits 4 way elastostretch premium fabric. Ultimate lightweight construction. Hydrophobic, quick drying properties. Superior fit and comfort. 20 inch outseam. Batwing fly. Ghost waistband.