Electromagnetic & Heat-welding Technology Reduces Excess Fabric, while Increasing the Overall Comfort & Performance of the Boardshort. Seams Stretch with the Fabric, Reducing the Overall Weight of the Boardshort & Assisting Reduce Rash by Removing Bulky Seams. Quadroflex. The Silicone-printed Drawcord Grips on Itself & Prevents Slipping to Secure your Shorts in even the Heaviest of Wipeouts. Hydrophobic. Inseam: 21"