Mens Dickies Pocketed Long Sleeve Tee. This Men’s Heavyweight Long Sleeve Pocket T-Shirt is one of our bestselling crew neck styles. Whether you’re wearing it as a shirt on its own or as an undershirt with extra layers on top, the roomy design, tagless label, and heavyweight cotton jersey construction with taped seams will ensure a comfortable fit during a busy workday–or weekend day. The long tail keeps you covered in the back so you can wear it on or off the job, while the chest pocket with a pencil divider lets you store essential work accessories.