The Brazilian label Melissa designs plastic jelly shoes that are more like works of art than everyday footwear: Think bright pink T-strap wedge sandals and flip-flops, bubbly clear “sneakers,” glitter-infused flats with zigzag patterns, and peep-toes in every color imaginable. Founded in 1971, Melissa continues to innovate by partnering up with creative collaborators such as architect Zaha Hadid, punk doyenne Vivienne Westwood, and daring dress designer Alexandre Herchcovitch to create its sculpture-like jellies. Not only are Melissa's shoes fun, avant-garde, odorless, and surprisingly comfortable, but they're eco-conscious to boot: Since they're constructed from only one material, they're conveniently recyclable.