"Every pair of Rens Original Coffee Sneakers ($119) is made out of six recycled plastic bottles and (yes!) 150 grams of used coffee grounds. Sustainable and statement-making is what I like to call them. They're completely waterproof and comfortable enough for me to lounge in them and do my weekly treadmill hikes with them securely on my feet. Read my full review of these unique shoes to get the full picture!" – Sam Brodsky, assistant editor, Fitness