Choose an item from the drop-down WHACK Wristband (Worth $10) WHACK Grip (Worth $12) WHACK Key Ring (Worth $10) WHACK Headband (Worth $10) Sizes available: Junior : 52-54cm head circumference Youth : 54-57cm head circumference Small : 55–58cm head circumference Standard : 58–61cm head circumference Large : 60-63 head circumference Extra–Large : 62–65cm head circumference