• The slacks i purchased for my son (2) were black and 100% polyester. They are thin, but wear very well.
    Answered on 9/20/2016 10:36:26 AM by JVR from NVa
  • These are 100% polyester. Twill is a type of a weave made from any type of fiber.
    Answered on 9/21/2016 10:10:10 AM by Product Specialist Greg from Sierra Trading Post