TOPO ATHLETIC SPECTER ROAD RUNNING SHOES FOR MEN AND WOMEN Meet our first-ever high-cushion performance trainer, featuring Topo’s distinctive fit and feel. KEY FEATURES: Lightweight, single-layer recycled engineered mesh upper. Ortholite Perfoemance insoles. Lightweight Pebax core for soft cushioning and high energy return. EVA frame with deep drop-in allowance for a stable, responsive ride. Thin rubber outsole for slip resistance, weight savings, and durability. WHY WE LOVE IT Roomy Toe Box Anatomical toe box allows toes to spread naturally and comfortably. Lightweight Breathable Materials For a '2nd Skin' fit and feel. Performance Insoles Comfortable insoles with long-term resilience and odor control properties. World Leading High Tech Polymers Delivering lightweight high performance and superior energy return. Read more Topo Athletic Men's Ultrafly 4 Shoes Topo Athletic Women's Ultrafly 4 Shoes Topo Athletic Men's Specter Shoes Topo Athletic Women's Specter Shoes Purpose Road Running Road Running Road Running Road Running Gender Men's Women's Men's Women's Drop 5 mm 5 mm 5 mm 5 mm Weight 9.6 OZ (M9) 7.7 OZ (W7) 8.1 OZ (M9) 6.9 OZ (W7)