Grey Briefs gifs
Shelley Dennis (Brief Breasts) in Grey Skies (2010)
Sasha Grey challenge, the best I could find. Very brief but I'm pretty sure he gets a least his head in.
Grey AC briefs
Grey joe boxer briefs hanging wedgie
Grey briefs never miss
[M] Losing Control in Grey Boxer Briefs
Grey Tommy briefs (18m) dms open
Precum in grey briefs
Sporting men's boxer briefs better than most men do