Kuru Womens Quantum 2 Electric Grape/Midnight Blue 8.5 Wide. Kuru is footwear built and designed by doctors to alleviate Plantar Fasciitis. These are game changers for folks with foot issues. We kept what was already working. QUANTUM 2 features famously wide toe boxes, so your toes can lay flat and your bunions can breathe. That means you can say goodbye to a squished forefoot and walk with the stride that nature intended. #568