The Ribbed Long-Sleeve in Black from Helmut Lang 

Details
Relaxed rib top with cotton herringbone tapes topstitched along both sides of the neck. Sleeves have cut-outs at the elbow and thumbhole. This garment was designed with many body types and gender expressions in mind.

—      Crew neckline
—      Long sleeves
—      Elbow cut-outs
—      Thumbhole cut-outs
—      Relaxed fit