From Hart Schaffner Marx, this sweater features: Mock neck Ribbed sleeve cuffs Quarter-zip closure Ribbed waistband Pullover construction Merino wool Hand wash cold/dry clean Imported. Biella Yarn by Sudwolle produces top range quality knitting yarns in a friendly way from the finest, pure Merino wool. The careful refinement of the fibers guarantees natural softness and unique comfort in this sweater.