La Sportiva Olympus Mons Cube S Men's Boots

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In its element on the highest mountains on Earth, the Olympus Mons Cube features the most advanced materials and constructions available to guarantee warmth and safety. A highly protective double boot equipped with Boa lacing technology, Gold Insulation Aerogel by PrimaLoft, a hybrid Vibram sole and more, the result is a precise, technical design that has shaved weight without compromising thermal performance. For Himalayan technical mountaineering, arctic crossings and use in extremely cold environments, the Olympus Mons Cube is hard to beat.

Inner boot

  • Removable double inner boot with one high-cut and one low-cut layer
  • High-cut outer layer: 6mm PE and single density EVA with Flex Zone and double Velcro closure
  • Low-cut inner layer: 4mm PE and single density EVA
  • Combination of layers and materials maximises thermal insulation

Outer boot

  • Water-repellent stretch Cordura gaiter
  • Extremely abrasion resistant fabric with UltraSonic Welding technology
  • UltraSonic Welding allows materials to be joined together without stitching
  • Full rand adds durability and protects against abrasion
  • Corner Zip runs along full length of gaiter for full opening
  • Internal water repellent gusset
  • Internal thermo-taping
  • Outer boot with high-tenacity nylon uppers
  • Lined with dual-density PE padding for warmth
  • Thermo-reflective aluminium facing provides extra warmth and comfort
  • Double Boa quick lacing system for customisable tension and volume adjustment
  • Lower Boa closure is directly connected to the internal front gusset
  • Boa system is easy to use one-handed, with or without gloves
  • Insulating carbon Honey Comb 3mm insole
  • PrimaLoft Gold Insulation Aerogel layer with vacuum-sealed construction
  • PU 2mm polyurethane midsole graded for crampon attachment
  • Vibram Litebase and Vibram Morflex expanded EVA sole
  • Provides thermal insulation and abrasion resistance with minimal weight
  • B3 rated
  • 1300g (single boot size 42)