The buttoned trucker collar can be worn open or closed. We love the softness of this alpaca and wool blend sweater.Women's sweaterButtoned trucker collarRaglan sleevesPearl stitchLength for size 1: 58cmThe length varies by 1cm per sizeMaterials:49% alpaca30% polyamide21% woolThe model is 1.73m tall and wears size 1.