With or without sleeves, In a Mao version, Austrian or Saharan, the vest literally comes in countless forms and its variations in the knit are nothing less than alluring invitations to keep the body warm, perfectly. How many buttons, One, two, three, even four? Perfection is measured in the gorgeous detail. And the choice of material will determine the vest's perfect weight. Whether it be worn over a sweater or a shirt, or under a winter coat - the choice is yours.