Keep the party going from dusk till dawn with the new PUMP! Black Access Trunk. Both sensual and playful, the PUMP! Black Access Trunk sculpts to the body, while its backless rear highlights all your favorite assets in a sexy yet masculine charm. Made from a micro-mesh and rib blend, the PUMP! Black Access Trunk also offers full support, due to its easy fit, comfort, and flexibility so you can work hard and play even harder.