Why is there a red thing on all the NHL coaches?

Answer 1

The red "zero" the NHL coaches (most of whom are Canadian) wear around this time of the year is a poppy. Wearing a poppy is a Canadian tradition in November to memorialize Canada's war dead. The poppy is worn until November 11 (Remembrance Day).

Answer 2

The red thing the NHL coaches (most of whom are Canadian) wear around this time of the year is a poppy. Wearing a poppy is a Canadian tradition in November to memorialize Canada's war dead. The poppy is worn until November 11 (Remembrance Day).