LULULEMON COTTON CASHMERE BLEND MOCK NECK SWEATER, GREEN/BLACK. This Lululemon Cotton Cashmere Blend Mock Neck Sweater is brand new with the tag attached. The product description is: Finally, it's sweater weather. Throw on this cozy, weighty, blankety mock-neck sweater for workdays or down days. super-soft, cotton-cashmere blend fabric A hint of cashmere is blended with organic cotton to make this fabric super soft to the touch Naturally breathable Machine washable