7.7 oz.; Black: 78% recycled polyester, 22% Spandex; Black Heather: 43% recycled polyester, 42% polyester, 15% Spandex; Polyester fiber in this blend is made from recycled content including plastic bottles. ; Recycled poly helps reduce water usage, energy consumption and CO2 emissions when producing this garment.; Mid-rise, lie-flat waistband; Drawcords hidden inside; Slant pockets; Smooth leg cuffs; Tear away label; Every Threadfast product contributes to the “Plant with Threadfast” program. Le