Specializing in all Dickies Gen Flex Scrubs! Dickies Gen Flex Scrubs in stock. Dickies Gen Flex Performance System Junior Fit Tee made of 100% Polyester Performance Knit. This is a long sleeve crew neck tee featuring a screen printed logo at the sleeve, shirttail front and back. The back is longer than the front for extra coverage. Center front length: 20 1/2 inch, Center back length: 25 inch. Comes in Sizes XS, S, M, L, XL, 2XL. Available in Black, Dickies White, Navy and Pewter.