La Sportiva Trango Alpine GTX Mountaineering Boots Men's 44.5

Alpine climbing and technical mountaineering demand footwear that balances rigidity for crampon security with enough flex for approach hikes. The La Sportiva Trango Alpine GTX answers this with a boot engineered for mixed terrain, from rocky ridges to icy couloirs. Its GORE-TEX Performance Comfort lining keeps feet dry while allowing sweat to escape, and the water-repellent Cordura upper shrugs off snow and scree.

Who is it for

Mountaineers and alpine climbers who need a B2-rated boot compatible with automatic and semi-automatic crampons. Ideal for technical trekking, via ferrata, and multi-day alpine routes where weight, warmth, and precision matter.

Main features

• GORE-TEX Performance Comfort waterproof-breathable membrane
• Water-repellent Cordura upper with Honey-Comb Guard and Flex Tec 2 for durability and flexibility
• Vibram Cube outsole with Impact Brake System for superior grip and downhill control
• 3D Flex ankle support system allows natural movement while maintaining lateral stability
• B2 crampon compatibility for automatic and semi-automatic bindings
• Resoleable construction extends the boot's lifespan
• Lightweight at 1450 g per pair (size 42) for its class

Specifications

• Upper: Water-repellent Cordura with Honey-Comb Guard and Flex Tec 2
• Lining: GORE-TEX Performance Comfort
• Midsole: Low-density polyurethane with EVA insert
• Outsole: Vibram Cube with Impact Brake System
• Insole: 5mm high-density nylon with aluminum layer
• Shank: High-density nylon
• Closure: Lacing
• Waterproofing: Yes
• Breathability: Yes
• Crampon compatibility: B2 (automatic/semi-automatic)
• Intended use: Alpine climbing, mountaineering, technical trekking
• Weight per pair (size 42): 1450 g
• Resoleable: Yes
• Shoe size: EU 44.5 / US Men's 11

Tips

For optimal fit, try these boots with the socks you plan to wear on expeditions. The 3D Flex system will soften after a few uses, so initial stiffness is normal. Pair with a B2-compatible crampon for technical ice and mixed routes. To extend the life of the GORE-TEX membrane, clean the boots after each trip and apply a suitable water-repellent treatment to the upper.