Features of the La Sportiva Men's Lycan II Shoe Mid-distance training shoe for off-road terrain Injection molded EVA Midsole for excellent shock absorption Upper: Air Mesh/ Anti-abrasion microfiber reinforcements/ Rip-Stop Nylon Inserts/ TPU toe cap Lining: Air Mesh (heel only) Midsole: 4mm Ortholite Mountain Footbed / 4mm LaSpeva cushioning / Injection Molded EVA Sole: FriXion AT 2.0 with Impact Brake System / 6mm depth V-Groove Pattern with AT-Spike Compatibility Enhanced braking effect Enhanced traction Enhanced shock absorption Reduced articultaion fatigue Super sticky, leave no trace, long lasting compound