La Sportiva Olympus Mons S High-Altitude Mountaineering Boots - Yellow/Black, Size 40.5

The La Sportiva Olympus Mons S is a professional double boot system designed for extreme high-altitude expeditions above 8000 meters. Engineered to withstand the harshest cold environments, it combines advanced insulation, a robust outer shell, and an integrated gaiter for maximum protection and performance.

Advantages

Exceptional thermal insulation with multi-layer system including aluminum reflective layers; double BOA® Fit System for precise, quick closure; integrated waterproof gaiter with YKK® zipper; carbon fiber midsole with honeycomb structure for stability and insulation; Vibram® Mont outsole for superior grip on ice and snow.

Suitable for

• High-altitude mountaineering on 8000m+ peaks
• Extreme cold conditions
• Technical ice and mixed terrain

Key specifications

• Double boot system: inner boot, outer boot, integrated gaiter
• Outer shell: high-tenacity nylon, PE insulating layer, aluminum layer, Lorica® reinforcements
• Inner boot: high-insulation PE foam, Cordura®, aluminum layer
• Gaiter: high-tenacity Cordura® stretch fabric, PU coating, heat-sealed seams
• Closure: double BOA® Fit System (outer), quick-lacing (inner), waterproof YKK® zipper (gaiter)
• Midsole: carbon fiber, insulating honeycomb structure, EVA
• Outsole: Vibram® Mont
• Crampon compatibility: automatic (step-in)
• Color: Yellow / Black
• Size: 40.5 EU

Recommendations

For extreme cold expeditions, pair with appropriate high-altitude socks and ensure proper fit for optimal performance. The Olympus Mons S is a top choice for professional mountaineers tackling the world's highest peaks.