We wrote the book on FLEX comfort. With mechanical stretch yarns, you'll have a better range of motion, keeping you moving with extreme comfort. The polyester/cotton blend on Dickies FLEX regular-fit straight leg twill multi-use pocket work pants mean they're durable to the core. To round it all out, they keep you dry with moisture-wicking technology. Plus, they resist wrinkles and have stain release easy-care that stays durable and comfortable.