Features of the La Sportiva Men's TX Guide Shoe Comfortable and lightweight with power and stability Ideal for climbers and guides looking for climbability and durability Upper: Ultra-Weave Jacquard / Minimal Sew TPU Reinforcements / PU-Tech- Lite Heel and Toe Caps Lining: Non-Slip Mesh Midsole: 4mm Ortholite Approach Insole/ Dual-Density Compressed EVA (35A Heel / 40A Forefoot) / TPU Torsion Shank Sole: Dual Compound Vibram Mega-Grip and IdroGrip Rubber with Impact Brake System Lugs Enhanced braking effect Enhanced traction Enhanced shock absorption Reduced articultaion fatigue Vibram is the world leader in High Performance rubber soles