Sweater Crewneck n477 Mimi Oleanderone size, ideal for xs s meet the mimi: a fresh take on the crewneck sweater in soft cashmere with elbow length sleeves and ribbed details at the neck, hem and cuffs. setting this piece apart is a sequence of front buttons made from corozo, an all natural material derived from the seed of a palm tree that extends from neck to navel. in a petite fit, the mimi pairs cashmere softness with easy elegance.