Black recycled polyester Studio gym bag from adidas by Stella McCartney featuring logo print to the front, front zip-fastening pocket, mesh detailing, adjustable detachable shoulder strap, rear zip-fastening pocket and 28cm x28cm x 60cm. POSITIVELY CONSCIOUS: We've partnered with Good On You — an ethical agency that rates how sustainably brands perform across various people, planet and animal welfare criteria. This product comes from a Conscious brand that performs well in relation to their impact on the planet, for example ensures the use of materials that limit the amount of chemicals, water and wastewater involved in production processes..