The S/LAB SPECTUR brings race-day exclusivity to an inclusive package. Innovative components and a purposeful design work together to deliver the power of a carbon blade along with stability for those who need the extra support. Dual foam cushioning provides rebound for optimized, fluid transitions. Get ready to break your PB.Specs Weight: 8 oz per shoe Drop: 8 mm (38.5 mm heel / 30.5 mm forefoot stack) Plate: carbon blade Midsole: dual foam Width: narrow Best for: road racing on asphalt ColorwaysWHITE / FIERY RED / BLACKUS sizes 7-14, including half sizes.