Cool shoelaces with a textured surface. They are hard to come undone, making them ideal for sports.
 Shoelaces for professional athletes are one level stiffer than casual laces and are recommended for high school students and above who participate in sports.
 This is the same model that is used by several professional baseball players from our company, including Chunichi, Lotte, and Hanshin. Unlike shoelaces for sneakers, the stiffness and width are tuned to withstand the intense movements of professional athletes.
 Suitable for ball games such as baseball, tennis, and softball.