La Sportiva Trango Tech Leather GTX Mountaineering Boot - Black/Yellow - EU 43

The La Sportiva Trango Tech Leather GTX is a high-performance mountaineering boot designed for technical alpine terrain, via ferrata, and backpacking. Combining traditional leather craftsmanship with modern technology, this boot offers exceptional durability, support, and weather protection. The water-repellent Idro-Perwanger leather upper and GORE-TEX Performance Comfort lining ensure your feet stay dry and breathable in demanding conditions. With a medium-stiff flex and semi-automatic crampon compatibility (B2), it provides the perfect balance of climbing precision and walking comfort. The La Sportiva Cube by Vibram outsole with Impact Brake System delivers superior traction on mixed surfaces, while the 3D Flex System enhances ankle mobility without sacrificing stability. Ideal for mountaineers seeking a reliable, all-round boot for technical ascents and long approaches.

Advantages

• Premium water-repellent Idro-Perwanger leather (1.6mm) with microfiber inserts for durability and abrasion resistance.
• GORE-TEX Performance Comfort lining guarantees 100% waterproofing and breathability.
• Semi-automatic crampon compatible (B2) for technical glacier and mixed terrain.
• Vibram Cube outsole with Impact Brake System for excellent grip and shock absorption.
• 3D Flex System provides natural ankle movement while maintaining support.
• Ortholite Approach footbed (4mm) for added comfort and moisture management.
• Made in Italy with board-lasted construction for long-lasting performance.

Suitable for

• Technical mountaineering and alpine trekking
• Via ferrata and backpacking
• Mixed terrain and glacier travel
• Approaches requiring crampon use

Key specifications

• Boot Type: Mountaineering Boot
• Upper Material: Water-repellent Idro-Perwanger Leather (1.6mm) + microfiber inserts
• Lining: GORE-TEX Performance Comfort
• Midsole: Low-density Polyurethane + EVA insert + TPU rear insert
• Outsole: La Sportiva Cube by Vibram with Impact Brake System
• Crampon Compatibility: Semi-automatic (B2)
• Weight (Pair): 1240g (approx. for EU 42, similar for EU 43)
• Color: Black / Yellow
• Size (EU): 43
• Flexibility: Medium-stiff
• Waterproofing: Yes
• Breathability: Yes
• Ankle Support: High-cut with 3D Flex System
• Footbed: 4mm Ortholite Approach
• Closure System: Traditional Lacing
• Gender: Unisex
• Construction: Board Lasted
• Country of Origin: Italy

Recommendations

For optimal performance, pair with gaiters and semi-automatic crampons. Break in gradually on moderate terrain before technical use. Suitable for experienced mountaineers and alpine trekkers.