The Duke of Edinburgh Awards are given to youth for things like achievements in fitness.
During the highlands excursion, the character Lachlan McCrea Jr. is wearing a baseball cap for the U.S. football team from Washington, D.C. (burgundy hat with a gold, stylized script "R", for "Redskins"; the team ceased using this name in 2020). It is unclear why a youth in Scotland would choose a hat from the Washington team in the mid-90's, although they had been a successful for much of the 1980's and had won a Superbowl as recently as 1992.