"Double Windowpane Plaid Blazer Regular Fit Two Button Men's Jacket in Light Blue" closeup of a German Shepherd dog's nose Stock Photo Alamy. Slim Fit: This 2 button blazer has a slim fit, perfect for creating a modern, sleek look. Notch Lapel: The notch lapel design adds an extra touch of sophistication to this blazer. Side Vents: The side vents provide extra comfort and mobility. Windowpane Glen Plaid: The classic windowpane glen plaid design of this blazer adds a timeless touch. This 2 button blazer is the perfect combination of style, comfort, and versatility. The slim fit and notch lapel create a modern, sleek look, while the side vents provide extra comfort and mobility. The classic windowpane glen plaid design adds a timeless touch, making this blazer a must have for any wardrobe.