The Sheer Vertical Stripe Crewneck Longsleeve in Black from Helmut Lang, New York City.

Details
Crewneck in 100% Linen with 3-D knitted stripes
Fitted but true to size
—      Crewneck
—      Tubular rib knit with sheer stripes
—      Long sleeves
—      Ribbed finish on neck
—      Slim fit
—      P05HM703