La Sportiva Olympus Mons S High-Altitude Mountaineering Boots - Yellow/Black (EU 44.5)

The La Sportiva Olympus Mons S is the ultimate high-altitude mountaineering boot, designed for extreme cold and 8000m+ expeditions. Featuring a double boot system with a carbon fiber shell and Primaloft® Gold insulation, it provides exceptional warmth and protection in the harshest environments. The BOA® Fit System ensures a precise, secure fit, while the Vibram® Litebase outsole with Impact Brake System delivers reliable traction on ice and snow.

Advantages

Maximum thermal insulation with Primaloft® Gold Aerogel insole and Primaloft® Gold inner boot. Automatic crampon compatibility for secure step-in. Lightweight yet durable construction with carbon fiber midsole and honeycomb structure. Easy on/off with BOA® closure and heat-sealed gaiter zipper.

Suitable for

• High-altitude mountaineering above 8000m
• Extreme cold weather expeditions
• Technical ice and mixed climbing
• Professional mountaineers and serious alpinists

Key specifications

• Double boot system with removable inner boot
• Outer: Water-repellent Cordura® with Flex Zone
• Inner: High-insulation PE + EVA single density
• Shell: High-insulation carbon fiber
• Midsole: Carbon fiber honeycomb structure
• Outsole: Vibram® Litebase with Impact Brake System
• Insulation: Primaloft® Gold Insulation Aerogel (insole), Primaloft® Gold (inner boot)
• Closure: BOA® Fit System (outer), Hook&Loop (inner)
• Weight: approx. 2.5 kg per pair (size 44.5)
• Color: Yellow/Black
• Size: EU 44.5 (US Men's 11, UK 10)

Recommendations

For extreme altitude expeditions, the Olympus Mons S offers unmatched warmth and performance. Ensure proper fit with thick mountaineering socks. Compatible with automatic crampons. Store in a dry place after use.