The aim of this thesis is to acquire a deeper knowledge and sensitivity towards the theme of sustainability, together with its business applications. After an initial overview of the main practices associated to it, this paper shifts its attention to the Textile Industry and its main challenges related to ecological and social sustainability. Afterwards, the strategic importance of Corporate Social Responsibility integration into the core business, the role of a transparent communication and the use of eco-labels in the Fashion Industry are discussed. Precisely, the effect of certified eco-labels, put on clothing and accessories, on consumer behavior is investigated in the final part of this thesis.