La Sportiva Ultra Raptor Trail Running Shoes Footbed: Ortholite Mountain Running Lining: Mesh With easy-in Pu Leather Insert For Ease Of Fit And Heel Stability Midsole: Injected Shock Absorbing Eva Sole: Frixion Xf (grippy) With Impact Brake System And Integrated Rubber Protection Toe Cap Upper: Breathable Air-mesh With Microfibre Reinforcement, Abrasion Resistant Coating And A performance Platform. The Uppers Are Assembled On A Compression Molded Eva Platform