Posted by a member of the AM1 Enthusiast group...I don't even know what to call this stain...I don't think it's a glue stain...maybe the suede got wet and dried? In any case, another flaw straight from the factory. 'Its a feature, not a bug.' . . . . . . . #thesneakersavant #thesneakersavantremembers #shoemetrics #shoemetricsflaws #gradedgoesformore #sneakergrading