Colors are standard for this product:
Kids 6–8 (Blue/Blue)
Kids 8–11 (Blue/Blue)
Youth 11–13 (Blue/Red)
Adult 1–3 (Blue/Orange)
Adult 3–5 (Blue/Purple)
Adult 5-7 (Blue/Yellow)
Adult 7–9 (Blue/Green)
Adult 9–10 (Blue/Gray)
Adult 10–11 (Blue/Red)
Adult 11–13 (Blue/Black)
Adult 14–15 (Blue/Forest Green)