Football Referee Officials Down Indicator (2 Styles: Elastic Wristband, 5 1/4" Moisture Management Sweatband) Markwort Referee's Elastic Wristband and Sweatband Down Indicators. Elastic Band has hook and loop closure for adjustable and comfortable fit. Sweatband is absorbent, with comfortable extra wide construction. 5 1/4" Long. Used by Officials from Pop Warner to the Professionals