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With energy to keep you going, kilometre after kilometre, you will be ready to take on any off-road adventure in the Caldera 2. Features include a midsole that is stacked high to promote a steady stride over long distances, while protecting against trail hazards; a sticky rubber outsole and high surface-area lugs provide outstanding uphill and downhill traction; and an innovative upper and underfoot construction repels water to quickly to keep you light on your feet.
Shoe Category |
Trail |
Pronation |
None/Normal |
Suits Foot Arch Type |
Medium, High |
Body Build |
Small, Medium, Large |
Platform |
Universal Sprung Platform |
Midsole Layout |
Full Length DNA Layout |
Construction Type |
Strobel |
Water Resistant |
Yes |
Waterproof |
No |
Surface |
Offroad/Trail |
Weight (g) |
281g |
Midsole Drop (mm) |
4mm |
BIOMOGO DNA cushioning dynamically adapts to your stride. |
STICKY RUBBER OUTSOLE for uphill and downhill traction. |
CORDURA AFT is a branded, highly-breathable knit construction with enhanced abrasion and tear strength. |
3D RUBBER PRINT applies strategic stretch and structure for an impeccable fit. |
GAITER TAB is integrated at the heel to secure gaiters with a hook and loop. |
The midsole is stacked high to promote a steady stride over long distances, while protecting against trail hazards.
The sticky rubber outsole and high surface-area lugs provide outstanding traction, uphill and down.
A protective, double-layered mesh upper allows your feet to expand in comfort over longer runs.
BioMoGo DNA midsole cushioning dynamically adapts to your stride.
The upper combines Ariaprene&trade mesh with a Cordura AFT top cloth for maximum ventilation, drainage, and abrasion protection.
A 3D Rubber Print applies strategic stretch and structure for an impeccable fit, enhancing protection and durability in high-abrasion zones. The integrated Gaiter Tab at the heel secures gaiters with a hook and loop. A lace garage keeps laces secure, clean, and out of the way.
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 |