size guide
Our shoes fit true to size, so we suggest going with the size that normally fits you from other sports shoe brands. If you are between sizes, we suggest you select the size up.
The heel-to-toe measurement column is an accurate guide to the maximum foot length for each size. This should not be compared the 'CM' column that you might see on size guides from other brands.
mens
UK Mens | European Mens | US / Canadian Mens | Australian Mens | Heel-to-toe Measurement | |
4 | 37 | 5 | 4 | 225mm | ![]() |
5 | 38 | 6 | 5 | 234mm | ![]() |
6 | 39.5 | 7 | 6 | 242mm | ![]() |
7 | 41 | 8 | 7 | 251mm | ![]() |
8 | 42 | 9 | 8 | 260mm | ![]() |
9 | 43 | 10 | 9 | 269mm | ![]() |
10 | 44.5 | 11 | 10 | 278mm | ![]() |
11 | 46 | 12 | 11 | 286mm | ![]() |
12 | 47 | 13 | 12 | 295mm | ![]() |
womens
UK Womens | European Womens | US / Canadian Womens | Australian Womens | Heel-to-toe Measurement | |
4 | 37 | 6 | 6.5 | 225mm | ![]() |
5 | 38 | 7 | 7.5 | 234mm | ![]() |
6 | 39.5 | 8 | 8.5 | 242mm | ![]() |
7 | 41 | 9 | 9.5 | 251mm | ![]() |
8 | 42 | 10 | 10.5 | 260mm | ![]() |
9 | 43 | 11 | 11.5 | 269mm | ![]() |
10 | 44.5 | 12 | 12.5 | 278mm | ![]() |
11 | 46 | 13 | 13.5 | 286mm | ![]() |
12 | 47 | 14 | 14.5 | 295mm | ![]() |
Note: For US Women's size we recommend going up half a size if you are in-between sizes. i.g. if you are normally a 6.5, we recommend going for a 7.
how to measure your feet (heel-to-toe measurement)
The aim is to measure the longest distance from the back of your heel to the tip of your longest toe. There are several ways, to do it, but here is our recommendation :
step one : Put a piece of paper against the wall.
step two : Stand on it with your heel against the wall. Mark on the paper where your longest toe reaches to.
step three : Measure the distance your toe was from the edge that was against the wall.
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Including one month free Lupa Run Premium subscription
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Testimonials

The perfect hybrid runner , built for all your adventures. Designed to be your ideal companion on both the roads and the trails .
- Flared Heel, designed for maximum achilles comfort
- Splash proof panels to keep you going when it's wet
- Light weight yet responsive midsole for a more natural ride
- Breathable engineered mesh upper

Our unique ground flow system , with conductive technology connects you with the earth as you move. Rebalance your body’s charge through restorative grounded exercise.
Benefits of grounding include :
- Improved blood flow, for quicker oxygen delivery to enhance performance and recovery
- Cortisol level regulation for improved sleep quality and muscle regeneration and recovery
- Reduced chronic and acute inflammation by naturally returning the area to equilibrium

We prioritise plant-based and recycled materials to reduce our impact whilst delivering optimal performance.
- 65% natural rubber outsole
- 30% recycled polyester upper and lining
- 72% corn-based footbed
- 5% sugarcane infused midsole
- Organic cotton laces

Supportive
Lightweight and supportive engineered mesh with a tuned structure and padding

Built to last
Hardwearing natural rubber outsole, tough upper material and durable midsole for long-lasting performance

For the distance
Performance midsole to provide a responsive ride, whatever the distance

Breathable
Perforated engineered mesh to keep your feet cool when it gets hot

Lightweight
Low density midsole and lightweight upper for comfort and speed

Graphene infused
Footbed featuring graphene for enhanced comfort and electrical conductivity

For all surfaces
Full coverage, natural rubber outsole provides versatile grip whether you’re on the road or hitting the trails

Water-resistant
Treated upper and splash proof panels to keep your feet drier in wet weather