The Agents of S.I.G.L.E.R. design was created by Scott E. Pond for SiglerFest 2013. These are limited editions and will not be re-printed.
Modeled by Sigler himself, happily waving to his fellow agents, just off-camera.
Black t-shirt with orange and white ink. Printed on Hanes Beefy-Ts.
Size chart can be found here.