7.5 oz./yd², 100% Spun Polyester; Finish: Soil release and wickable finish; Heavy-duty brass ratcheting zipper, hook-and-eye closure; Two slack-style front pockets, two set-in hip pockets, darts over hip pockets for better fit, no button closure on hip pocket; Industrial Laundry - Heavy Soil, Industrial Laundry - Light Soil, Home Wash;