The ultimate shorts for your hottest training days—they're loose, light, and have vented mesh panels throughout for maximum breathability. Plus, 4-way stretch fabric means you never have to slow down., Our original HeatGear® fabric is super-light, breathable & comfortable. Mesh side panels for added breathability. 4-way stretch material moves better in every direction. Material wicks sweat & dries really fast. Encased elastic waistband with internal drawcord, Open hand pockets. Notched, side-vent hem. Inseam: 8"". No liner. Pockets: Yes. 100% Polyester.