The TX Guide Leather combines Nubuck and Roughout leather, which increases the adaptability and abrasion resistance while maintaining the speed, comfort, and performance of the synthetic TX Guide. An extremely comfortable and lightweight approach shoe with more power and stability combined with an unprecedented dual-compound outsole. Description a Mythos climbing shoe inspired lacing and heel loop for clipping to a harnessa High cushion EVA in heel for all-day comforta Uber-sticky dual compound Vibram Mega-Grip and IdroGrip rubber compoundsa An overlap tongue enhances your heel hold and keep your foot securea Combined Nubuck and Roughout leather increases adaptability, stability and protectiona Asymmetrical to-the-toe lacing for maximum precisiona PU-Tech-Lite heel and toe cap for lightweight protection Specs: ITEM: 27SSIZES: 37 - 47.5 (half sizes)WEIGHT: 13.6 oz / 387 gLACES: 100% Recycled polyesterUPPER: Nubuck and Roughout Leather / PU-Tech-Lite heel and toe capsLINING: Non-slip meshINSOLE: OrthoLite Hybrid with 5% recycled rubber + 15% production waste foamMIDSOLE: 4 mm OrthoLite Approach Insole / Dual-density compressed EVA (35A heel / 40A forefoot) A forefoot/TPU torsion shankSOLE: Dual compound Vibram Mega-Grip(TM) and IdroGrip Rubber with Impact Brake System / 4.5mm lugsDROP: 8mm a Stack: Heel: 23mm / Toe: 15mmLAST: Guide