Please click for the La Sportiva Size Conversion. Journey through rugged terrain in confidence wearing the go-anywhere La Sportiva TX5 GTX hiking boot! High-cut leather hiking and backpacking boot. Durable nubuck leather upper. Vibram rubber rand and toe cap for added durability. La Sportiva Trango series inspired lacing system. Gore-Tex Extended Comfort lining offers optimized climate comfort for warmer condition and during higher activity levels. 3D Flex ankle system. Waterproof Gore-Tex protection. 4mm OrthoLite approach insole for supportive comfort. Injection-molded EVA midsole with STB control system provides structure and torsional stability Vibram Mega-Grip outsole with Impact Break System for grippy long-lasting wear. Last: Traverse Imported. Measurements: Weight: 1 lb 4 oz Shaft: 5 1 2 in Product measurements were taken using size 44.5 (US Men's 11) width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item not a pair.