Luffy is a young man who stands at 5'9" feet tall, with shaggy black hair with a small widow's peak, round black eyes, and a slim muscular build. Luffy's appearance is very similar to his grandfather Garp's as a young man, albeit a lot less muscular. He is renowned for his trademark yellow straw hat with a red hatband. Luffy also has a scar with two stitches underneath his left eye, and X-shaped scar on his chest.his main outfit consisted of a red vest with three gold buttons, light blue denim shorts cut off just above his knees, and tan sandals. Luffy never doubts his ability to achieve his goals, famously declaring he will become the Pirate King. Even in the darkest situations, his cheerfulness inspires hope in those around him. While he acts primarily out of a selfish desire for adventure, his loyalty is absolute. If anyone threatens his crew or his friends, he will risk his life to protect them.