La Sportiva Thunder III GTX Boot

The evolution of the Thunder II hiking boot. The Thunder III GTX has been updated with a VibramAR River with Impact Brake SystemTM outsole and a new 4mm Trailflex with half steel shank was added for additional support. The molded rubber heel stabilizer gives excellent ankle support on rough terrain and the Gore TexAR Performance Comfort Lining, allows for breathable waterproof protection. IDEAL TERRAIN: backpacking and hiking for moderate to technical terrain Weight: 23.92 oz 678 g Last: Trango 2 Upper: Nubuck Leather CorduraAR Molded rubber heel reinforcement Lining: Gore TexAR Performance Comfort Midsole: Dual Density Trailon Insole: 4mm TrailFlex w half steel shank Sole: VibramAR River w Impact Brake SystemTM