La Sportiva Trango Tower Extreme GTX korkeavuoristokengät - black/yellow Koko: 44

High-altitude climbers tackling technical ice and mixed routes demand a boot that balances precision, warmth, and durability. The La Sportiva Trango Tower Extreme GTX delivers exactly that, with a B3 automatic crampon-compatible platform and a waterproof, insulated Gore-Tex lining. The black and yellow upper combines high-tenacity 6.6 nylon with Honey-Comb Guard™ reinforcements and FlexTec 3 zones, protecting against rock abrasion while allowing natural ankle flex. A 3D Flex System Evo™ hinge and differentiated lacing with hooks and loops provide a secure, customizable fit from approach to summit push.

Key specifications

• Upper: High-tenacity water-repellent 6.6 Nylon with Honey-Comb Guard™ and FlexTec 3
• Lining: Gore-Tex Insulated Comfort for waterproof warmth
• Midsole: Low-density polyurethane with EVA insert and TPU rear crampon attachment
• Outsole: La Sportiva Cube by Vibram® with Impact Brake System™ and climbing zone
• Crampon compatibility: Automatic (B3)
• Footbed: 5mm high-density nylon with anti-torsion layer
• Weight: approx. 1400g per pair (size 42 EU)
• Colour: Black / Yellow
• Size: 44 EU

Why choose it

The Trango Tower Extreme GTX is built for vertical terrain where every gram counts. Its insulated Gore-Tex membrane keeps feet dry and warm during long belays, while the stiff yet walkable sole unit offers reliable edging on rock and secure crampon attachment on ice. The differentiated lacing system lets you fine-tune tension between the forefoot and ankle, reducing hot spots and improving overall comfort.

Ideal use cases

• Technical mountaineering on mixed rock and ice routes
• Ice climbing and winter alpine ascents
• High-altitude trekking with crampon use
• Approach hikes to technical climbs

Good to know

These boots are unisex and designed for automatic crampons, making them a versatile choice for serious mountaineers. The Gore-Tex Insulated Comfort lining provides reliable waterproofing and breathability, while the 3D Flex System Evo™ allows natural ankle movement without sacrificing support. The La Sportiva Cube by Vibram® outsole features an Impact Brake System™ for downhill traction and a climbing zone at the toe for precise edging.