Breathable, open-mesh upper uses seamless construction to eliminate distractions and discomfort. Removable ComforDry Sockliner prevents the growth of odor-causing bacteria and keeps feet feeling fresh. Lightweight FlyteFoam midsole delivers bouncy, responsive cushioning and energy return that's durable enough to go the distance. ASICS High Abrasion Rubber outsole for durable traction on any surface. Wt. 6.7 oz.