University of Oregon Ducks Tennis Shoe Charm Set by ProCharms. $14.00. Set of 2 Shoelace Charms. Officially Licensed Oregon Ducks Tennis Shoe Charm Set. Unisex Adults. Metal. 1.25 Inches x 0.5 Inches. NCAA College shoe charms. These Oregon Ducks shoe things are charms that go on your shoelaces. Turn regular shoes into something special. Set of 2. Approximately 1.25" x 0.5". Go Ducks!. Save 26%!