Taking your Choice of Trail Shoe to the Next Level: Essential Technical Criteria
July 28, 2026 • Trail Running • 4 min read
Trail running shoes tips
Grip
Cushioning
Drop
The right size
Protection and support
Key technical criteria when choosing the right trail running shoes
Unlike road running shoes, trail running shoes are designed for running on uneven and sometimes very technical terrain. They must provide excellent traction, protect the foot from rocks and roots, and ensure stability and comfort.
Their design is focussed on achieving a precise balance between cushioning, support, and grip. Just as is the case in a well-structured training program, each component must work together to ensure effectiveness and endurance over the long term.
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The importance of grip when trail running
Grip is a key factor in choosing a trail running shoe. It depends mainly on the base and the depth of the lugs.
On dry, compact terrain, moderate lugs – typically between 3 and 4 mm – allow for a smooth, natural stride while providing good grip without adding weight to the shoe. This type of base is ideal for fast-paced trails and quick runs.
Conversely, muddy, loose, or very uneven terrain requires deeper lugs – around 5 to 7 mm – to improve traction, help shed mud, and reduce the risk of slipping, especially when going downhill or on unstable ground.
Good grip also helps save energy. In trail running, every loss of footing puts more strain on the muscles and increases fatigue. Wearing the right shoe therefore helps maintain an efficient stride for longer.
How do you choose the right level of cushioning?
Cushioning plays a major role in the overall comfort of the shoe. It helps absorb the repeated impacts of running, especially during long-distance runs.
Racers looking for more terrain feel generally prefer shoes with firmer, more minimalist cushioning. This type of model offers greater precision but also requires better running technique.
Conversely, shoes with more cushioning provide greater comfort and reduce muscle fatigue, especially during long runs or ultra-trail races. They are often preferred by beginner racers or those who prioritise comfort above all else.
The choice therefore depends on the desired balance between protection and responsiveness.
Understanding the drop of a trail running shoe
The drop refers to the difference in height between the heel and the forefoot, that is, the inclination of the foot within the shoe. A low drop corresponds to a difference of 0 to 4 mm between the heel and the forefoot, a medium drop to approximately 5 to 8 mm, and a high drop to 9 mm or more.
A low drop promotes a more natural stride and better contact with the terrain. It places greater load on the calves and the Achilles tendon, requiring a degree of muscular adaptation.
An intermediate drop is still the most versatile option for most trail runners today. It offers a good balance between comfort, stability, and effectiveness.
Higher drops provide greater comfort in the heel and can reassure beginner racers or those with a pronounced heel strike.
How do you measure your foot correctly to choose the right size of trail running shoe?
Wearing the wrong shoe size is one of the most common mistakes in trail running. It can cause blisters and, in the most extreme cases, force some racers to drop out mid-race. Here's how to avoid these issues.
In trail running, it is generally recommended that you leave 1 to 1.5 cm of space between your longest toe and the front of the shoe to reduce impact, especially on downhill sections.
To choose the right size, start by measuring your feet. Then add about 1 cm, or go up half a size, especially if you plan to run long distances. In fact, feet tend to swell during physical activity: it is therefore essential that they can expand naturally within the shoe, without being constricted.
At Rossignol.com, our size guide and customer service team are here to help you make the right choice.
The importance of protection and support
A trail running shoe must effectively protect the foot from external impacts. The front reinforcements (stone guards) help minimize impact from stones or roots.
Lateral support also plays an important role, especially on uneven terrain. A shoe that is too flexible can lead to a loss of stability and increase the risk of muscle fatigue.
Choosing trail running shoes requires the consideration of several essential criteria: terrain, distance, grip, cushioning, and support. The best shoe isn't necessarily the lightest or the most technically advanced, but the one that truly suits your activity and your goals.
Taking the time to choose the right model can improve your performance, help prevent injuries, and allow you to fully enjoy every outdoor run.
Discover Rossignol's collection of trail running shoes and find the perfect pair for your next mountain adventure.
Want to continue the adventure? Check out all our tips on the Rossignol blog.
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Grip
Cushioning
Drop
The right size
Protection and support
Trail running shoes tips
Choosing the Right Upper Height
The upper height refers to the part of the boot that surrounds the ankle. This criterion directly affects freedom of movement, stability, and the level of protection.
How do you measure your foot correctly to choose the right size of trail running shoe?
Wearing the wrong shoe size is one of the most common mistakes in trail running. It can cause blisters and, in the most extreme cases, force some racers to drop out mid-race. Here's how to avoid these issues.
In trail running, it is generally recommended that you leave 1 to 1.5 cm of space between your longest toe and the front of the shoe to reduce impact, especially on downhill sections.
To choose the right size, start by measuring your feet. Then add about 1 cm, or go up half a size, especially if you plan to run long distances. In fact, feet tend to swell during physical activity: it is therefore essential that they can expand naturally within the shoe, without being constricted.
At Rossignol.com, our size guide and customer service team are here to help you make the right choice.
The importance of protection and support
A trail running shoe must effectively protect the foot from external impacts. The front reinforcements (stone guards) help minimize impact from stones or roots.
Lateral support also plays an important role, especially on uneven terrain. A shoe that is too flexible can lead to a loss of stability and increase the risk of muscle fatigue.
Choosing trail running shoes requires the consideration of several essential criteria: terrain, distance, grip, cushioning, and support. The best shoe isn't necessarily the lightest or the most technically advanced, but the one that truly suits your activity and your goals.
Taking the time to choose the right model can improve your performance, help prevent injuries, and allow you to fully enjoy every outdoor run.
Discover Rossignol's collection of trail running shoes and find the perfect pair for your next mountain adventure.
Want to continue the adventure? Check out all our tips on the Rossignol blog.