The Relaxed Vintage Jean in Rinsed Black from Helmut Lang NYC. 

Details
Pleated jeans in a rinsed black denim.
Cut for a relaxed fit, with a gently curved outseam that creates a slight barrel-leg shape.
Fits true to size. Model is 6'2" and wears size 32.
Relaxed fit
Barrel-leg shape
31" inseam and 21 1/2" leg opening
Q09DM205
Composition: 100% Cotto