Under Armour Speedform Fortis GR Running Shoes - AW15 Mesh Imported Rubber sole Shaft measures approximately 2" from arch UA SpeedForm technology - Delivers zero distractions while running. Seamless heel cup with cushioned collar - For a locked in and anatomical fit. Smooth welded seaming with Bemis tape - For support and comfort. Adjustable heel lock down strap - For improved fit. 360 reflectivity - To improve visibility in low light conditions.