Men's 1 Button Center Vent Patchwork Blazer Jacket 65% Polyester, 35% Viscose,Button closure Unique style, make you more beautiful, fashion, sexy and elegant. basic button down Blazer colorblock feature is perfect for both casual and formal occasion. The cotton fabric will ensure you comfort and softness Men's Casual long sleeve business blazer jacket blazer is great for casual, formal, business wear and other special events