Show off your coastal style in the Sanuk Womens Sling ST Midform Sandals in Black. Want to raise your Sling game to new heights? These brand new . lightweight Sanuk sandals offer luxuriously cushiony slabs of BLOOM x Soft Top foam (made with repurposed algae) and soft . two-way stretch knit straps (including 40% REPREVE® Our Ocean™ Recycled Polyester made from ocean-bound plastics). Om yeah!