La Sportiva Olympus Mons S High-Altitude Mountaineering Boots - Yellow/Black Size 44

The La Sportiva Olympus Mons S is a professional double boot designed for extreme high-altitude expeditions, including 8000m+ peaks and extreme cold conditions. This model in Yellow/Black, size EU 44, combines a robust outer shell with a removable insulated inner boot for maximum warmth and performance.

Advantages

Exceptional thermal insulation with Primaloft® Gold Insulation Aerogel in the sole and toe box, combined with a carbon fiber midsole for rigidity and support. The Boa® Fit System on the inner boot ensures a precise, secure fit, while the waterproof TIZIP zipper and Velcro straps on the outer gaiter provide reliable weather protection. The Vibram® Matterhorn outsole with Impact Brake System delivers superior traction on ice and mixed terrain.

Suitable for

• High-altitude mountaineering on 8000m+ peaks
• Extreme cold weather expeditions
• Technical ice climbing and mixed terrain
• Professional alpine guides and climbers

Key specifications

• Construction: Double boot (outer shell + removable inner boot)
• Outer boot material: Water-repellent Cordura®, high-tenacity fabric, carbon fiber shell
• Inner boot material: High-insulation PE foam, thermal lining
• Gaiter material: Water-repellent, elastic, anti-abrasion Cordura®
• Insulation: Primaloft® Gold Insulation Aerogel (sole & toe box)
• Midsole: Carbon fiber, insulating materials
• Outsole: Vibram® Matterhorn with Impact Brake System
• Crampon compatibility: Fully automatic (step-in)
• Inner boot closure: Boa® Fit System
• Outer gaiter closure: Waterproof TIZIP zipper, Velcro straps
• Weight (approx.): 2.6 kg per pair (EU 42 reference, similar for EU 44)
• Gender: Unisex
• Color: Yellow/Black
• Size: EU 44

Recommendations

The Olympus Mons S is the benchmark for high-altitude boots, trusted by mountaineers for the most demanding expeditions. Ensure proper fit with the Boa® system and always use fully automatic crampons for optimal performance.