La Sportiva Aequilibrium LT GTX Mountaineering Boots - Lime Punch/Carbon - Size 42.5

The La Sportiva Aequilibrium LT GTX is a high-performance mountaineering boot designed for technical alpine terrain, glacier crossings, and high-altitude trekking. Combining lightweight construction with robust support, this boot features a water-repellent high tenacity fabric upper with Honey-Comb Guard™ reinforcements and a TPU mudguard for durability. The GORE-TEX Performance Comfort lining ensures reliable waterproofing and breathability, keeping your feet dry in wet conditions. The semi-cramponable nylon and carbon midsole with PU foam cushioning provides excellent stability and shock absorption, while the Vibram® SpringLug Tech outsole with Impact Brake System™ delivers superior traction on mixed terrain. The boot is semi-automatic crampon compatible (B2 rated) and features a hook and loop lacing system with an integrated bellows tongue for a secure fit. The Double Heel™ rear geometry improves downhill braking and smooth rolling. With a medium-stiff flexibility and a carbon-loaded nylon shank, the Aequilibrium LT GTX offers the perfect balance of support and comfort for demanding mountain adventures.

Advantages

Lightweight yet durable construction with advanced materials for technical mountaineering. Excellent waterproofing and breathability from GORE-TEX lining. Superior traction and braking with Vibram® outsole and Impact Brake System™. Semi-automatic crampon compatibility for glacier and mixed terrain. Comfortable fit with ergonomic footbed and cushioned midsole.

Suitable for

• Technical mountaineering
• Glacier crossings
• High-altitude trekking
• Via ferrata
• Alpine climbing

Key specifications

• Upper: Water-repellent high tenacity fabric with Honey-Comb Guard™ reinforcements, TPU mudguard
• Lining: GORE-TEX Performance Comfort
• Midsole: Semi-cramponable Nylon and Carbon with PU foam
• Outsole: Vibram® SpringLug Tech with Impact Brake System™
• Crampon compatibility: Semi-automatic (B2 rated)
• Weight: 1.05 kg per pair (size EU 42)
• Closure: Lacing with hook and loop system
• Footbed: La Sportiva Ergonomic
• Color: Lime Punch / Carbon
• Size: EU 42.5
• Gender: Unisex
• Resoleable: Yes

Recommendations

For optimal performance, pair these boots with compatible semi-automatic crampons and gaiters. Break them in gradually on shorter hikes before tackling technical routes. Regular cleaning and waterproofing treatment will extend the life of the GORE-TEX membrane.