K-Better⢠Upper Material.
Lightweight Outsole With External Heel Counter, Integrated Stability Spine, And Conical Studs For Maximum Manoeuvrability. K-Betterâ¢: This New, Non-Animal Based Upper Material Takes The Signature Touch, Comfort, And Stretch Resistance To The Next Level.5. The New Lightweight Outsole Features An External Heel Counter, Integrated Stability Spine, And Conical Studs, So You Have As Much Control Over Your Movement As You Do Over The Ball.