This is a gorgeous sweater from Impermeable Platinum.

Made of 100% 2-ply cashmere, it's blue with an argyle pattern featuring black and brown. 

It has a button polo-neck and ribbed cuffs and waist.

This beautiful sweater is in absolutely MINT condition.  It's guaranteed to be authentic and perfect.

Marked XL. 

  Across the back, laid flat and unstretched, the sweater measures 26 inches from armpit to armpit, and 30 inches from the collar seam to the bottom of the back. The sleeves measure 38/39 inches from mid-collar to the end of the unrolled cuffs.