If you ask us, a simple T-shirt is a wardrobe essential. Worn under a blazer or on its own with jeans, we'd recommend investing in multiple colours and different silhouettes, from cropped to fitted.

Q I am new to wearing ties. I know there are different kinds of tie knots (I see knotting directions for three), but I don't know if any are more right with certain clothes than with others. A You are ...