Signature Poplin Oversized Shirt Signature Poplin, this button-up shirt has an oversized fit for a more relaxed vibe. Traditional design details like a patch chest pocket, drop shoulders and a shirttail hem make it a wardrobe essential. Please note: this style runs large, recommend ordering a size smaller than your normal size. Oversized fit. Hip length: designed to hit at high hip or below; tuckable. Body length from high point of shoulder: 29 3/4". Cotton.