Slim-fit plaid button-up shirt from H&M, men’s size Large. Red, white, and black checkered pattern with a modern tailored fit. Lightweight and versatile—perfect for casual wear, layering, or dressing up with chinos or denim. Keywords: slim fit shirt, modern menswear, casual plaid, street style, everyday outfit, fall layering piece, trendy fashion, casual button down, versatile wardrobe, classic pattern