Have you long been looking for an undershirt where you can both have your device for your headset and your device for your buzzer flags? Here you have it! UEFA undershirt from Macron is used by everything from elite referees to amateur referees. You have practical pockets where you can store your units during the match and don't have to bother with extra bags and accessories. The sweater is extremely stretchy and is a unisex model.
Material
Polyester: High-tech fabric. It is light, very malleable, durable and quick-drying.