The Hurley Phantom Blackball Men's 18" Board Shorts feature soft, stretchy fabric and a shorter length for maximum comfort and mobility in the surf and on the sand. Sits above the knee. 4 Ways Stretch Fabric. Medium Stretch. Recycled Phantom fabric provides 30% stretch 18" length allows natural range of motion Water-repellent finish helps keep you dry EZ fly closure for a secure fit Back mesh flap pocket for small-item storage Fabric: 92% recycled polyester/8% spandex.