The i-Run team says
Enjoy ease at every moment during your running sessions thanks to the Altra Rivera 4 shoe for men.
Rivera 4, for what type of athlete, what use, what distance, and what surface?
It is perfect for runners looking for a model primarily designed to provide more comfort. You use it throughout the week for moderate intensity training.
It excels on distances ranging from 5K to the 21-kilometer half marathon.
Its grip is reliable and durable on your road routes.
Rivera 4, what use?
+ You preferably use it for low-intensity outings, without seeking performance.
- If you want to increase the pace without opting for a carbon plate, we recommend the Vanish Tempo.
Why choose the Rivera 4?
This new version of the Rivera allows you to enjoy multiple advantages such as:
- A zero drop, for more natural sensations than ever.
 - Maximum comfort thanks to a design based on well-being.
 - High-quality cushioning for steady progress.
 - A mesh upper combining fit and breathability.
 - A very appreciable space to spread your toes.
 
Rivera 4, what's new?
The successor to the Rivera 3 brings:
- More lightness.
 - Enhanced ease for more enjoyment.
 
Characteristics of the Rivera 4
- Drop: 0 mm, specific to the Altra brand.
 
- Cushioning: it absorbs shocks with each contact with the ground to promise you absolute serenity. Its energy return helps you progress more quickly forward.
 
- Upper (the part that wraps the foot): designed to provide you with an optimal fit, it is made of mesh to also offer you continuous breathability.
 
- Outsole: grippy and abrasion-resistant, it is perfect for your kilometers on the roads.
 
- Removable insole
 - Weight observed at i-Run: 234 g in size 42
 - Colors: white, gray, and brown
 
Technologies
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FootPod Technology
This outsole technology maps the placement of the bones and tendons of the foot to allow them to bend and move naturally.
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InnerFlex
Internal grooves incorporated into the midsole. By promoting multi-dimensional flexibility, they allow the feet to be more responsive, enhancing speed and performance. This technology reduces the weight of the shoe for an improved running experience in every way.
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Altra EGO
Soft and comfortable material, dynamic and responsive.
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FootShape Form Fit / Slim Fit
Fitted shape and design, close to the foot while leaving enough space for your toes.