A Henley Neck is a neckline style positioned between a crew neck and a shirt collar, characterized by a short button placket that adds a casual vintage workwear aesthetic. Common elements include a collarless round neckline, a short row of buttons (typically two to five), cotton or knit fabrics, and frequent use in long-sleeve tees, undershirts, and casual tops. The overall style emphasizes rugged comfort, relaxed simplicity, and American-inspired workwear appeal.