Speedo Men's Packable Board Shorts 100% Polyester Comfortable, quick drying and super lightweight ripstop fabric to resist tearing or ripping Fully packable into back mesh pocket with key clip and bungee cord for easy transport Mid length 20 inch outseam for fit just above the knee with tech mesh liner UV Block the Burn with UPF 50+ offers tighter knit fabric for higher level of sun protection Made by Speedo, the world's number 1 swim brand