Reinvigorate the essentials from the Adidas collection of iconic pieces to modern classics with an innovative twist. Adidas has joined forces with designer Stella McCartney to produce a range of functional and stylish sports pieces. This multicoloured Convertible Run backpack from Adidas by Stella McCartney features a clasp fastening, a round top handle, a multicolored pattern, a front zip compartment and adjustable shoulder straps.