RUN GUIDE SYSTEM Combined elements of supportive TPU heel clip, wide midsole geometry for an extremely stable base, and dual-density NITROFOAM to support your healthy running motion.DUAL DENSITY NITROFOAM CUSHIONING. ENGINEERED MESH UPPER Premium Mesh with engineered zones for enhanced breathability and stretch, reinforced with PWRTAPE for durability and lockdown.Heel-to-Toe Drop 10mmStack Height 36mm / 26mmWeight 272g (UK8)SUPPORT Guidance A soft internal layer of our innovative Nitrogen-infused foam technology provides cushioning while a firmer layer surrounding the shoe provides stability where you need it to support your stridePUMAGRIP RUBBER OUTSOLE. Durable rubber compound that provides best-in-class multi-surface traction.