FlyteFoam Technology to the midsole ensures responsive cushioning. The Gradient Mesh, combined with 3D print provides flexibility and support. The guidance line is a vertical flex groove to the sole, to ensure an efficient run. > Ladies running shoes > Engineered Gradient Mesh combined with 3D Print > Impact Guidance System (IGS) > TRUSSTIC SYSTEM > External heel counter > Heel clutching system > Rear and front GEL cushioning > FlyteFoam Technology > Guidance Line Technology > SpEVA 45 lasting > AHAR outsole > Synthetic / textile upper, Textile inner, Synthetic sole For product specific queries please contact the ASICS customer service hub: Tel: +44-1925599784 / Email: consumer-uk@asics.com