“…Whilst there is a significant body of sustainability-oriented research and debate on the development possibilities derived from the symbolic quality attributes of coffee (Bacon, 2005;Blackman and Rivera, 2011;Elder et al, 2014;Giovannucci and Ponte, 2005;Hudson and Hudson, 2003;ITC, 2011b;Lyons, 2005;Ponte, 2004;Raynolds et al, 2007;Vermeulen and Metselaar, 2015), less attention has been paid to how the material quality attributes of coffee are involved in the sustainable coffee discourse (Borrella et al, 2015;Goldstein, 2011;Wilson and Wilson, 2014). 'Cup quality' is the term that coffee professionals and aficionados use to refer to material quality (Steiman, 2013;Sunarharum et al, 2014;Wilson and Wilson, 2014). Whilst implementation of a sustainability certification may contribute to material quality improvements, none of the available mainstream sustainability standards are able to certify material quality attributes (Goldstein, 2011;Linton et al, 2004).…”