Expert-Tested: KURU QUANTUM 2.0 Review (2026) | Garage Gym 。Kuru Quantum 2 Storm Gray Walking Workout Heel Pain Relief Comfort Sneakers Men\'s 8.5 Wide Retail $169 Pre Owned - Excellent Condition The Ultimate Walking Shoe QUANTUM 2. This premium walking shoe features a wider base with a roomy toe box and upgraded KURUSOLE heel support for ultimate foot pain relief. Enhanced KURUSOLE Support We\'ve refined our signature KURUSOLE technology with increased TPU height for improved dynamic support and heel cushioning. This patented tech flexes with each step to hug and protect your heels for ultimate pain relief. 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.