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Like a little Adrenaline in a neutral shoe- The Defyance 9 takes the cushion and smooth ride of our best-selling Adrenaline GTS, and puts it into a versatile, neutral running shoe.
Shoe Category |
Neutral |
Pronation |
None/Normal |
Arch |
Medium, High |
Body Build |
Small, Medium, Large |
Platform |
Universal Platform |
Midsole Layout |
BioMoGo DNA Layout |
Construction Type |
Strobel |
Water Resistant |
No |
Waterproof |
No |
Surface |
Road/Track |
Weight (g) |
297g |
Midsole Drop (mm) |
12mm |
BioMoGo DNA provides adaptive cushioning |
Extended Segmented Crash Pad delivers smooth transitions |
Omega Flex Grooves optimize flexibility |
Comfort Eye Row gives you a closer-to-foot fit |
Moisture-management mesh upper keeps feet cool and dry |
BioMoGo DNA midsole cushioning dynamically adapts to your stride.
Omega Flex Grooves optimize forefoot flexibility.
We recommend ordering Brooks running shoes 1/2 size to one size larger than normal dress shoes
For women's footwear, B is the standard width. 2A is narrow, D is wide, and 2E is extra wide. For men's footwear, D is standard, B is narrow, 2E is wide, and 4E is extra wide.
Ladies, when ordering "unisex" shoes, order 1.5 sizes smaller than your usual women's size.
Whenever possible, visit your local running and walking footwear store for a proper fitting.
To find your perfect shoe, check out our Shoe Finder tool. Simply answer a few questions and we'll introduce you to your sole mate. Also our International Size Chart can help make the size translations from UK, Europe and Japan measurements.
Running shoes are not created equal - we're the first to agree with that! But if you've been running in shoes from another brand, and want to try Brooks, it's helpful to know where to start. Check out our Shoe Finder, where you can either tell us what brand of shoe you wear and we'll show you something better – or you can answer five simple questions and we'll introduce you to your sole mate.
Sizing on BrooksRunning.com is displayed in US sizes only. For international sizes, please see conversion chart, below.
International Footwear Size Chart | ||||||
US Men | US Women | UK Men | UK Women | Europe Unisex | Japan Men(cm) | Japan Women(cm) |
3.5 | 5 | 2.5 | 3 | 35 | 22.5 | 22 |
4 | 5.5 | 3 | 3.5 | 36 | 23 | 22.5 |
4.5 | 6 | 3.5 | 4 | 36.5 | 23 | 23 |
5 | 6.5 | 4 | 4.5 | 37.5 | 23.5 | 23.5 |
5.5 | 7 | 4.5 | 5 | 38 | 24 | 24 |
6 | 7.5 | 5 | 5.5 | 38.5 | 24.5 | 24.5 |
6.5 | 8 | 5.5 | 6 | 39 | 25 | 25 |
7 | 8.5 | 6 | 6.5 | 40 | 25 | 25.5 |
7.5 | 9 | 6.5 | 7 | 40.5 | 25.5 | 26 |
8 | 9.5 | 7 | 7.5 | 41 | 26 | 26.5 |
8.5 | 10 | 7.5 | 8 | 42 | 26.5 | 27 |
9 | 10.5 | 8 | 8.5 | 42.5 | 27 | 28 |
9.5 | 11 | 8.5 | 9 | 43 | 27.5 | 28.5 |
10 | 11.5 | 9 | 9.5 | 44 | 28 | 29 |
10.5 | 12 | 9.5 | 10 | 44.5 | 28.5 | 29.5 |
11 | 12.5 | 10 | 10.5 | 45 | 29 | 30 |
11.5 | 13 | 10.5 | 11 | 45.5 | 29.5 | |
12 | 11 | 11.5 | 46 | 30 | ||
12.5 | 11.5 | 12 | 46.5 | 30.5 | ||
13 | 12 | 13 | 47.5 | 31 | ||
14 | 13 | 14 | 48.5 | 32 | ||
15 | 14 | 15 | 49.5 | 33 | ||
16 | 15 | 50.5 | 34 |