La Sportiva Aequilibrium Speed GTX Mountaineering Boot - Black/Yellow - Size 46.5

The La Sportiva Aequilibrium Speed GTX is a high-performance mountaineering boot designed for fast and light technical ascents, glacier travel, and via ferrata. Combining a lightweight construction with robust protection, it features a GORE-TEX Performance Comfort lining for waterproof breathability and a Vibram® SpringLug Tech outsole with Impact Brake System for superior traction on mixed terrain. The semi-automatic crampon compatibility (C2) and integrated snow gaiter make it ideal for alpine adventures where speed and efficiency are key.

Advantages

Exceptional weight-to-performance ratio, excellent ankle mobility, and reliable weather protection. The Boa® Fit System ensures a precise, quick, and secure fit, while the Honey-Comb Guard™ reinforcements add durability without adding bulk.

Suitable for

• Fast & light mountaineering
• Technical ascents
• Glacier travel
• Via ferrata

Key specifications

• Upper: Water-repellent high-tenacity fabric with Honey-Comb Guard™ reinforcements
• Lining: GORE-TEX Performance Comfort
• Outsole: Vibram® SpringLug Tech with Impact Brake System
• Midsole: Semi-crampon compatible, external rubber shell, internal foam
• Crampon Compatibility: Semi-automatic (C2)
• Closure: Boa® Fit System
• Integrated Gaiter: Yes, protective snow gaiter
• Weight (per boot): Approx. 550g (size EU 42)
• Footbed: Carbon-loaded nylon
• Construction: Double-layer (inner bootie + outer gaiter)
• Ankle Mobility: High
• Protective Rand: Yes
• Colour: Black / Yellow
• Size (EU): 46.5

Recommendations

For optimal performance, pair with semi-automatic crampons and use in alpine environments where lightweight agility and reliable traction are essential. Ensure proper fit by trying on with mountaineering socks.