Heirs of the iconic Rock model, the Rock DFS GTX are approach shoes designed by Aku for mountain trail excursions and via ferratas. Lightweight and breathable, these approach shoes guarantee optimal comfort thanks to a high-quality fit and unparalleled grip with the Vibram Megagrip rubber outsole. The double lacing system of the Rock DFS GTX also allows for precise adjustment in all circumstances, with traditional lacing when walking and quick lacing for climbing phases. The Ortholite insole prevents bacteria from developing in your approach shoes while offering excellent shock absorption. Add to that the suede leather and Air 8000 fabric upper, as well as a Gore-Tex lining, and you get ultra-breathable and waterproof approach shoes, no matter the weather conditions. In short, the Rock DFS GTX from Aku are high-performance shoes for all climbing enthusiasts. Upper: 1.6 mm suede leather - Air 8000 - microfiber Lining: gore-tex® extended comfort Insole: ortholite® Midsole: dual-density EVA and PU Outsole: vibram® megagrip approach Upper protection: Rubber Rand Sole rigidity: flexible Weight: 380 g Aku Rock DFS GTX - Approach shoes