La Sportiva Trango Tech Leather GTX Mountaineering Boots Black/Yellow 43.5

The La Sportiva Trango Tech Leather GTX is a high-performance mountaineering and technical trekking boot designed for demanding alpine terrain. Combining water-repellent Idro-Perwanger® leather with a Gore-Tex® Performance Comfort lining, it offers exceptional durability, breathability, and waterproof protection. The Vibram® Cube sole with Impact Brake System ensures superior grip and shock absorption on mixed surfaces. With semi-automatic crampon compatibility (B2) and a balanced flexibility for climbing and walking, this boot is ideal for long approaches, glacier travel, and technical ascents.

Advantages

Waterproof and breathable Gore-Tex® membrane keeps feet dry in wet conditions. The robust leather upper with microfiber inserts provides excellent support and abrasion resistance. The Impact Brake System enhances stability on descents, while the low-density polyurethane midsole with EVA insert offers cushioning and energy return. The rubber rand protects against rock damage, and the 4mm PPE footbed with differentiated thickness ensures comfort on uneven terrain.

Suitable for

• Mountaineering
• Technical trekking
• Backpacking
• Glacier travel
• Alpine climbing

Key specifications

• Upper: Water-repellent Idro-Perwanger® leather (1.6 mm) + microfiber inserts
• Lining: Gore-Tex® Performance Comfort
• Midsole: Low density polyurethane + EVA insert
• Sole: La Sportiva Cube by Vibram® with Impact Brake System
• Crampon compatibility: Semi-automatic (B2)
• Weight: 1240 g per pair (EU 42)
• Closure: Laces
• Footbed: 4mm PPE with differentiated thickness
• Last: Trango
• Waterproofing: Yes
• Breathability: Yes
• Protective rand: Rubber rand
• Flexibility: Good balance for climbing and walking
• Gender: Unisex

Recommendations

For optimal performance, pair with gaiters for snow and scree protection. Suitable for semi-automatic crampons. Break-in period recommended for best comfort.