The Provision 6 features: Balanced Cushioning platform positions your heel and forefoot at an equal distance from the ground, encourage better alignment, better form and a low-impact landing. Footshape comfort gives your feet more space to sit naturally and is designed to address biological differences in men's and women's feet. The GuideRail acts like a supportive highway guide rail that encourages natural foot placement by provides guidance, but only when it’s needed. Innerflex grid-like grooves in the midsole are designed to provide flexibility and movement. Breathable engineered mesh upper.