The Nivia Track And Field Stride 3.0 Spikes feature a lightweight, breathable mesh upper along with a lightweight TPU stitchless overlay, which together provide a locked-in fit and feel. For personalized comfort and support, the collar is lined with two layers of high-density foam that mold to the athlete's foot, creating a custom heel fit. The shoe offers enhanced cushioning and comfort through a die-cut soft NR EVA sockliner laminated with Polyester fabric. Finally, the moulded TPU rapid smooth soleplate technology delivers flexibility, which is designed to enhance the athlete's performance.