Speedo Men's FLX System Traction Board Shorts 100% Polyester Brushed Microfiber Imported Mid length 20 inch outseam in fixed waist boardshort sizing with flx system for improved fit Lightweight 4-way stretch side panel for optimum comfort Trademarked inchspeedry inch fabric for quicker drying and long lasting durability Uv block the burn offers tighter knit fabric for higher level of sun protection Made by speedo, the world's number 1 swim brand