This Stephen Amell foto contains
sweatshirt and haube.
There might also be
affenjäckchen, shelljacke, chaosjacke, affenjacke, muscheljacke, chaos-jacke, monkey jacke, softshell-jacke, bomberjacke, bomber-jacke, trainingsanzug, jogginganzug, schwitzt, schweißanzug, sweatsuit, sweats, sweat suit, schweißausbrüche, and training anzug.