TruTemp 365® temperature-controlling technology helps to always keep you comfortable Stain-release technology Wrinkle-resistant fabric Performance stretch fabric 6-pocket Button & zipper front Straight fit Extreme Flex waistband 16 7/8" 16 7/8-inch approximate leg opening 60% cotton, 38% recycled polyester, 2% spandex Machine wash Imported Contains recycled polyester REPREVE Certified Tested for harmful substances STANDARD 100 by OEKO-TEX® CERTIFIED Certification No. SHWA 031260 Testing Institute: Testex AG https://www.oeko-tex.com/standard100