La Sportiva Olympus Mons S Mountaineering Boots - Yellow/Black, Size 41.5 EU

The La Sportiva Olympus Mons S is a high-performance double mountaineering boot designed for extreme high-altitude expeditions, including 8000m peaks. Engineered for the most demanding cold environments, it combines cutting-edge materials and technologies to provide exceptional warmth, protection, and precision on technical terrain.

Advantages

Featuring a removable inner boot with Primaloft® Gold Insulation Aerogel and a carbon fiber midsole, the Olympus Mons S offers outstanding thermal efficiency and support. The Boa® Fit System ensures a precise, secure fit, while the integrated gaiter and waterproof TIZIP® zipper keep snow and moisture out. The Vibram® Litebase outsole with Mont compound delivers reliable traction on ice and rock.

Suitable for

• High-altitude mountaineering (8000m+)
• Extreme cold expeditions (down to -60°C)
• Technical ice and mixed climbing

Key specifications

• Boot Type: Double Boot (removable inner boot)
• Outer Material: High-tenacity Cordura® with PU coating
• Inner Boot: PE foam, EVA, thermal lining, Cordura®
• Insulation: Primaloft® Gold Insulation Aerogel (toe box), Primaloft® Gold
• Closure: Boa® Fit System (upper), Velcro strap (lower), TIZIP® zipper
• Outsole: Vibram® Litebase with Mont compound
• Midsole: Carbon fiber insulating insole, Honeycomb Tech 3mm carbon fiber
• Crampon Compatibility: Automatic (step-in)
• Gaiter: Integrated, water-repellent Cordura®
• Temperature Rating: Down to -60°C
• Weight: Approx. 2600 g per pair (size 42)
• Size: 41.5 EU
• Color: Yellow / Black

Recommendations

For extreme cold and high-altitude expeditions, the Olympus Mons S is a top choice. Ensure proper fit with technical socks and practice using the Boa® system before your climb. Compatible with automatic crampons for secure footing on ice.