11 oz., 85% Nylon/ 15% Spandex,Five Panel Back Construction With No-Fly Crotch,100 Denier Tricot Mesh Thigh Pockets With Self-Material Spandex Knee Pad Pockets,Heavyweight Cotton-Like Elastic Waistband With Two Rows Of Exposed Rubber Gripper To Keep Jersey Tucked In Tight,Slotted Elastic Waist,Cover Seamed Throughout For Additional Strength