Speedo Men's Easy Stripe FLX System Board Shorts 100% Polyester Brushed Microfiber Exclusive flx system hidden flexible waistband that expands as you move for optimum fit and superior comfort Longer length 22 outseam for fit at or just below the knee with side seam pockets Trademarked speedry water repellant fabric for quicker drying and long lasting durability Block the burn with upf 50+ offers tighter knit fabric for higher level of sun protection Made by speedo, the world's #1 swim brand