La Sportiva Olympus Mons S High-Altitude Mountaineering Boots - Yellow/Black, EU 38.5

The La Sportiva Olympus Mons S is the ultimate high-altitude mountaineering boot designed for extreme cold and 8000m+ expeditions. This double boot system features a water-repellent Cordura® stretch outer shell with heat-sealed seams and a removable inner boot with Primaloft® Gold Insulation Aerogel for exceptional warmth. The Vibram® Litebase sole with Impact Brake System provides superior traction on ice and mixed terrain, while the carbon honeycomb midsole ensures stability and shock absorption. The BOA® Fit System allows precise, quick adjustment even with gloves. Ideal for technical climbing in the most demanding environments.

Advantages

Double boot construction for optimal thermal regulation; Primaloft® Gold Aerogel insulation for extreme cold; Vibram® Litebase outsole with Impact Brake System for reliable grip; BOA® Fit System for easy, precise fit; automatic crampon compatibility; lightweight yet durable materials.

Suitable for

• High-altitude mountaineering on 8000m+ peaks
• Technical ice and mixed climbing
• Extreme cold weather expeditions

Key specifications

• Product Type: High-Altitude Mountaineering Boots
• Boot System: Double Boot (Outer Shell + Removable Inner Boot)
• Outer Shell Material: Water-repellent Cordura® stretch, anti-abrasion fabric, heat-sealed
• Inner Boot Material: High-insulation PE + EVA foam, Cordura® and felt
• Insulation: Primaloft® Gold Insulation Aerogel
• Sole: Vibram® Litebase with Impact Brake System
• Midsole: Carbon Honeycomb 3mm + 5mm PU
• Crampon Compatibility: Automatic (fully automatic)
• Closure System: Waterproof zipper, Double BOA® Fit System
• Removable Inner Boot: Yes
• Temperature Rating: Designed for extreme cold (8000m+ peaks)
• Waterproofing: Water-repellent outer gaiter with heat-sealed seams
• Fit: Precise, technical
• Weight (per pair): 2.1 kg
• Colour: Yellow / Black
• Size: EU 38.5

Recommendations

For extreme altitude expeditions, the Olympus Mons S offers unmatched warmth and performance. Ensure proper fit with the BOA® system and always use automatic crampons for safety.