A sneaker with a built-in puddle

Here is something tricky to accomplish in a shoe: reminding anyone who sees it that overconsumption and waste are warming the planet and destroying the Earth’s natural resources — melting the ice caps, polluting the oceans and so forth. While also making the wearer look really cool.

If any brand can pull that off, it’s Botter, a young Parisian label that uses the taglines “aquatic world” and “Caribbean couture” to describe a…