[Vest:Button closure. Size: Please read the our size chart information of the product in order to choose your own sizenot Amazon size chart. Features: Herringbone tweed pattern tailored collar v-neck slim fit single breasted 5 buttons 4 real side insert pockets adjustable back strap. Occasions: The vest is easy to match with dress shirt suit coat casual pants etc. Suit for daily wear business wedding outdoor all occasions and seasons. Attention: Dry clean or hand wash suggested and low iron if necessary.]