<span class=" product-description-text"> Boston Black<br/> The extended strap – the essential design element of the year-long collaboration – is accompanied by black rivets and hardware, emphasising the striking but subtle design language of Rick Owens. Varying smooth soft leather in pitch-black highlights the classic shape of the Boston.<br/> <br/> Boston Black Iridescent<br/> Celebrating the essential design element of the collaboration – the extended strap – Owens not only adds black rivets and hardware but submerges the classic shaped Boston in iridescent foiled leather.<br/> </span> <ul class=" product-description-list"> <li>Upper: smooth, soft leather on black styles and foiled leather on iridescent styles. All equipped with black rivets and buckles.</li> <li>Footbed: anatomically shaped BIRKENSTOCK cork-latex footbed, fully covered with smooth premium Nappa leather</li> <li>Outsole: black EVA outsole</li> <li>Branding: silver Rick Owens logo branding printed on footbed</li> <li>Packaging: exclusive slide-out shoe box in grey Rick Owens design</li> </ul>