Do the words “limited-edition” make  your heart skip a beat? Adidas and Stella McCartney strike again—this time with the UltraBoost x 3D sneakers, souped up with visibly cool elements like the graphic neon green and leopard print along with more discreetly technical details like that slip-on, sock-like construction and the super-cushy midsole. Not only that, but they’re incredibly lightweight. And—get this—spun from yarns made of recycled waste from the ocean.

• Textile/synthetic/rubber