"Blue Double Windowpane Sport Coat Men's Two Button Business Casual" Who Would Win? Ultimate Rumble 6 Pack Scholastic Canada Book Clubs. Regular fit for a timeless, classic look Notch lapel for a sophisticated touch Side vents for enhanced comfort and mobility Double windowpane design for a business casual look This 2 button blazer is the perfect blend of style and comfort. Crafted with a regular fit and notch lapel, this blazer offers a timeless, classic look and feel. Side vents provide enhanced comfort and mobility, while the double windowpane design adds a subtle, business casual touch. Whether youre dressing up for a special occasion or looking for a polished everyday look, this blazer is the perfect choice.