Discover the SI2 trousers from the French brand Evolve.Developed over a period of more than a year and a half in collaboration with elite rider Michael Bias, these trousers incorporate new features aimed at combining performance, protection, durability, and comfort. They are designed for BMX racing and mountain biking.The SI2 is made from 4-way stretch materials. The fabric can stretch both lengthwise and widthwise, providing total comfort and freedom of movement. Thanks to the use of these new materials, the trousers are up to 40% lighter than their previous version.Reinforced patches have been added at the knees to increase abrasion resistance during activity. The cut of the trousers has been specifically designed to fit perfectly to the body's line when the rider is in a riding position. Additionally, they have been designed for easy fitting of protection underneath the trousers.To ensure constant ventilation, the SI2 is equipped with laser cuts on the inner thighs and also ...