La Sportiva Olympus Mons S High-Altitude Mountaineering Boot - Yellow/Black, Size 42

The La Sportiva Olympus Mons S is a professional high-altitude double boot designed for extreme environments, including 8000m peaks and polar expeditions. Engineered with cutting-edge materials and insulation, it provides exceptional warmth and protection in temperatures down to -60°C. The boot features a robust outer shell made from high-tenacity water-repellent fabric, Cordura®, and a PU Techlite™ protective rand, while the inner boot combines high-insulation PE foam, Primaloft® Gold, and Cordura® for superior thermal efficiency. The integrated gaiter and waterproof TIZIP® zipper ensure complete weather protection, and the Boa® Fit System on the inner boot allows for precise, quick adjustment. The Vibram® Matterhorn sole with Impact Brake System™ delivers reliable traction on ice and mixed terrain, and the carbon fiber midsole with Honeycomb Tech 3mm provides stability and shock absorption. Automatic crampon compatibility makes it ideal for technical mountaineering.

Advantages

Exceptional warmth rating down to -60°C, lightweight yet durable construction, integrated gaiter for snow protection, and a dual-boot system that allows for separate drying and customization. The Boa® Fit System ensures a secure, micro-adjustable fit, while the Vibram® sole offers outstanding grip on hard ice and rock.

Suitable for

• High-altitude mountaineering on 8000m peaks
• Polar expeditions and extreme cold environments
• Technical ice climbing and mixed terrain
• Winter mountaineering requiring automatic crampons

Key specifications

• Boot Type: High-Altitude Mountaineering Double Boot
• Outer Material: High-tenacity water-repellent fabric, Cordura®, PU Techlite™ rand
• Inner Material: PE foam, Primaloft® Gold, Cordura®
• Insulation: Primaloft® Gold, Aerogel® insole
• Sole: Vibram® Matterhorn with Impact Brake System™
• Midsole: Carbon fiber, Honeycomb Tech 3mm, PU, EVA
• Crampon Compatibility: Automatic (Step-in)
• Closure: Outer: waterproof TIZIP® zipper + Velcro; Inner: Boa® Fit System
• Temperature Rating: -60°C
• Weight (pair): 2750 g
• Color: Yellow / Black
• Size: 42 EU
• Gender: Unisex
• Origin: Italy

Recommendations

For extreme cold and high-altitude expeditions, the Olympus Mons S is a top-tier choice. Ensure proper fit with your crampons and allow time for the inner boot to mold to your foot. Pair with high-quality mountaineering socks for optimal performance.