The Spark Lace Up; Designed to support the natural movement of your body, its anti-microbial, moisture wicking treatment makes this perfect for all day wear. Its high energy return EVA foam midsole provides support and superior cushioningBounce Plus: Our high energy return EVA foam midsole combines with our advanced insole for added support and superior cushioning, returning energy as you move.- Recycled RPET Mesh Lining- Aegis anti-microbial linings withing the shoe kill microbes on contact, protecting your feet from bacteria
