AIVIN Race Spikes have a Patent PU Upper to keep your feet cool and comfortable with a lightweight stitch-less upper when the pace heats up. TPU sole with spike pins for support PU upper durable comfort to create a better, healthier environment for your feet to thrive in Two layers of high-density foam line the collar and mould to the athlete's foot to create a personalized heel fit, adding soft support and custom comfort. The soft cushion EVA inner insole improves cushioning and comfort. Each boot has Eight removable spike pins of appropriate length. Sole- TPUTip Shape: RoundLight weight cloth insoleDie-Cut soft NR EVA sock liner laminated with Polyester fabric for better Cushioning.

Upper Material-PU
Sole Material-TPU
Insole Material-EVA
Fastening-Lace-Up
Warranty Type-NA. Care Instruction-Wipe with a clean, dry cloth when needed.