Speedo Men's Tech FLX System Boardshort 90% Polyester/10% Spandex Imported Longer length 22 Inches outseam in fixed waist boardshort sizing with flx system for improved fit Lightweight 4-way stretch fabric for optimum comfort with stretch gussett fly Mesh liner with inside key pocket and outside draw cord for secure fit Uv block the burn with upf 50+ offers tighter knit fabric for higher level of sun protection Made by speedo, the world's premier aquatics brand