The most important feature to be noted in Altra Instinct 4.0 model is its ventilation facility. It provides a very good breathable and also it lessens the irritation risks. The biggest change in this model offered by Altra is that it removes the stiffness near the toe part. It also has several holes all over the shoe area which provides a good airy facility.

One of the advantages in this shoe is its streamlined look which offers a luxurious look and so it is appreciated by many of the runners. This shoe is designed in such a way as it has a lesser amount of foam in its tongue part and more foam in the heel and ankle part. The sizing actually fits exactly .It has more space in the forefoot part which actually works well for those who have a slight wider feet.

Upper

The Upper part is designed in an excellent manner. It has more flexible and provides more safety to its users. It is being designed with more holes which provides more breathable. Altra Instinct 4.0 shoe could be used for a long period of time because it has an exact mix of flexibility and security. It has a very less overlays for its safety purpose.

Outsole

The outsole of Altra Instinct 4.0 has a more number of rubbers for its grip and better cushioning facility. This rubber in the underfoot area is more useful for its long lasting usage since it is thicker. 

Verdict

The Altra Instinct 4.0 shoe offers an excellent technology which is equal to zero drop and foot shape technology. Its model of Intuition is equivalent to men’s version. It is much useful for workouts in gym. It acts as a best choice for one who works out on a budget.