A casual sneaker with structured stability and an extra roomy toe box.
Breathable Comfort Meets Structured Stability
Breathable Comfort Meets Structured Stability
Experience a whole new level of mobility. QUANTUM offers luxuriously wide toe boxes and structured stability for the utmost support and comfort. KURU’s signature heel-hugging support with an everyday silhouette makes QUANTUM one of our top sellers.
Quick Facts
Weight
10.5oz
Width
Medium or Wide
Heel to Toe Drop
6.3mm
Materials
Synthetic, Rubber
Wide Toe Box
Lateral Stability
Mesh Uppers
Best for: Walking, Workouts, Everyday
QUANTUM WIDE
A casual sneaker with structured stability and an extra roomy toe box.
Best for: Walking, Workouts, Everyday
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Size Chart
| US | International |
| Women | Men | EU | UK | JP |
| 5 | 35 | 2.5 | 21.5 | |
| 5.5 | 35.5 | 3 | 22 | |
| 6 | 36 | 3.5 | 22.5 | |
| 6.5 | 37 | 4 | 23 | |
| 7 | 37.5 | 4.5 | 23.5 | |
| 7.5 | 38 | 5 | 24 | |
| 8 | 38.5 | 5.5 | 24.5 | |
| 8.5 | 7 | 39 | 6 | 25 |
| 9 | 7.5 | 40 | 6.5 | 25.5 |
| 9.5 | 8 | 40.5 | 7 | 26 |
| 10 | 8.5 | 41 | 7.5 | 26.5 |
| 10.5 | 9 | 42 | 8 | 27 |
| 11 | 9.5 | 42.5 | 8.5 | 27.5 |
| 11.5 | 10 | 43 | 9 | 28 |
| 12 | 10.5 | 44 | 9.5 | 28.5 |
| 11 | 44.5 | 10 | 29 | |
| 11.5 | 45 | 10.5 | 29.5 | |
| 12 | 46 | 11 | 30 | |
| 12.5 | 46.5 | 11.5 | 30.5 | |
| 13 | 47 | 12 | 31 | |
| 13.5 | 47.5 | 12.5 | 31.5 | |
| 14 | 48 | 13 | 32 |
Width
| Women | Men |
| Medium | Wide | Medium | Wide |
| B | C+ | D | E+ |
| US |
| Size | Women | Men |
| S | 5 - 8.5 | 6 - 7 |
| M | 9 - 11.5 | 7.5 - 10 |
| L | 12 | 10.5 - 12 |
| XL | 12.5 - 14 |
| International |
| Size | EU | UK | JP |
| S | 35 - 39 | 2.5 - 6 | 21.5 - 25 |
| M | 40 - 43 | 6.5 - 9 | 25.5 - 25 |
| L | 44 - 46 | 9.5 - 11 | 28.5 - 30 |
| XL | 46.5 - 48 | 11.5 - 13 | 30.5 - 32 |
Understanding “FIT” notes:
ALL KURU shoes are sold in US sizing. IF the “FIT” note says “1/2 size small”, you should purchase a 1/2 size larger than your normal size (e.g if wear an 8, purchase an 8.5). If the note says “1/2 size big," then purchase a 1/2 size smaller than your normal size.
Why Choose QUANTUM
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It’s the perfect walking shoe. Designed with a wide, stable base, breathable comfort, structured stability, and a roomy toe box, QUANTUM is one of our fan favorites.
Our heels take a beating, but they don’t have to. QUANTUM is built with our patented, heel-hugging KURUSOLE technology. Unlike anything else, KURUSOLE dynamically flexes to hug and protect your heels, helping prevent foot pain conditions such as plantar fasciitis.
Keep sweat at bay all day long. QUANTUM’s airy mesh uppers and moisture-wicking linings help your feet stay dry—from workouts to dog walks.
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Anthony F.
Structured Stability
Spacious Toe Box
Our Best Got Better
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QUANTUM
Best For
Made From
Support
MIN
MAX
Cushion
MIN
MAX
Wide Toe Box
NARROW
WIDE
Weight
Heel to Toe Drop
Heel Cushion Height
Toe Cushion Height
*Based on a Women’s Size 8
**Based on a Men’s Size 9
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2.0
QUANTUM 2.0
Best For
Made From
Support
MIN
MAX
Cushion
MIN
MAX
Wide Toe Box
NARROW
WIDE
Weight
Heel to Toe Drop
Heel Cushion Height
Toe Cushion Height
*Based on a Women’s Size 8
**Based on a Men’s Size 9
*Based on a Women’s Size 8
**Based on a Men’s Size 9
Technology
Built for Pain Relief
Technology
Designed for Life
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