We propose aesthetic engagement as a valuable construct for organisation studies to advance its contribution to organising for sustainability. Aesthetic engagement is defined as a set of material practices that re-engage humans and systems to trigger and accelerate transitions towards regenerative futures. We adopt an aesthetic, practice-based approach to study the emerging field of circular fashion, zooming in on six research projects evolving around bio-based textile design. Our results show that matter needs to matter more in sustainable organising in three key material practices: (1) re-presenting alternative systems, (2) re-imagining affective materialities and (3) re-claiming embodied ethical agency. Matter that reflects new ‘imagined’ realities - whether in artefacts, bodies or socio-material spaces - could greatly support stakeholder engagement and collective identity-building towards transitioning to regenerative futures.