La Sportiva Olympus Mons Pro Mountaineering Boots - Yellow/Black (EU 42.5)

The La Sportiva Olympus Mons Pro is the ultimate double boot for high-altitude mountaineering and expeditions in extreme cold. Designed for the world's highest peaks, it combines cutting-edge materials and construction to deliver unparalleled warmth, protection, and performance. The integrated gaiter and waterproof zipper keep snow and moisture out, while the Primaloft® Gold and Aerogel® insulation ensure your feet stay warm in the most severe conditions. The BOA® Fit System on the inner boot provides a precise, secure fit, and the Vibram® Litebase outsole with Mont compound offers exceptional grip on ice and rock. Fully automatic crampon compatible, this boot is ready for the most technical terrain.

Advantages

Exceptional warmth and insulation for extreme cold; integrated gaiter and waterproof zipper for complete weather protection; lightweight carbon fiber midsole for efficient energy transfer; BOA® Fit System for quick and precise adjustment; Vibram® outsole for superior traction.

Suitable for

• High-altitude mountaineering (8000m peaks)
• Expeditions in polar and alpine environments
• Technical ice climbing and mixed terrain
• Winter mountaineering in severe conditions

Key specifications

• Boot Type: Double Boot
• Outer Material: High-tenacity water-repellent fabric, Cordura®, PU Techlite™ rand
• Inner Material: 6mm PE + EVA foam, Primaloft® Gold insulation
• Insulation: Primaloft® Gold, Aerogel® footbed
• Gaiter: Integrated, elasticized Cordura®, waterproof YKK® zipper
• Closure: Outer: waterproof YKK® zipper + Velcro® strap; Inner: BOA® Fit System
• Midsole: Carbon Tech honeycomb carbon fiber, EVA, PU
• Outsole: Vibram® Litebase with Mont compound
• Crampon Compatibility: Automatic (fully rigid)
• Size: EU 42.5 (UK 8.5, US Men's 9.5)
• Color: Yellow / Black
• Weight: Approx. 1,200 g per boot (size 42.5)

Recommendations

The Olympus Mons Pro is the benchmark for extreme altitude boots. Its combination of insulation, weather protection, and precision fit makes it the top choice for serious mountaineers. Ensure proper break-in and always test fit with your intended sock system.