Flat Front by Dickies. Details:Comfort and durability never looked so good than with Dickies’ Flex 11” Slim Fit Work Short. The stretch twill design features a polyester/cotton blend and flex fabric that is extremely durable, long lasting and comfortable. These multi-tasking pants feature wrinkle resistant fabric that also repels stains and wicks moisture away. Along with classic 5-pocket styling, these slim-fit shorts also have a multi-use pocket on the side for your phone, keys or any tools you need by your side. 7.