Tiny hole at back seam see photosCasual:Pair it with a plain white t-shirt, dark wash jeans, and sneakers for a relaxed yet stylish look.Wear it with a chambray shirt, chinos, and loafers for a smart-casual outfit.Layer it over a turtleneck sweater, corduroy pants, and boots for a warm and cozy fall look.Formal:Wear it with a crisp dress shirt, tailored trousers, and dress shoes for a classic and sophisticated look.Pair it with a patterned tie and pocket square for added flair.Wear it with a waistcoat for a more formal look.Hipster Preppy dark Academia old money classic