Merrell Agility Peak 5 Women's Trail Running Shoes Building on the success of one of Merrell's most popular trail running shoes, the Agility Peak 5 provides updates to this already successful trail runner. In this latest version, the rocker is increased, weight is reduced to less than 300g, and the heel cup is sculpted for better on-foot comfort and less slip. Engineered Mesh Upper Designed to provide comfort and protection, the Merrell Agility Peak 5 Trail Running Shoes have been constructed using an engineered mesh upper. The mesh upper works to provide lightweight breathability and protection to keep your feet safe on rocky terrains. Acting as a lightweight second skin the mesh ensures you can go the distance in complete comfort. Perforations in the fabric encourage cool air to circulate, removing uncomfortable heat build-up to create a healthy environment for your foot to thrive in. As well as this, the breathable mesh lining sits comfortably against the skin and further enha.