The Hyperfreak concept is simple: Create the best boardshort possible to keep surfers in the water, longer. Hyperfreak stretch fabrication offers the perfect amount of flex. Quick-dry, anti-rash technology is used to maximize comfort and improve drying time. O'Neill Men's boardshort 21" Outseam- below the knee fit Hyperfreak stretch O'Neill Hyperdry Anti-rash hyperthread Flex tie drawcord Side pocket 92% Polyester, 8% Elastane