La Sportiva Olympus Mons Boots

Size guide

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Quite simply, if you're tackling Everest or another Himalayan giant, this is the boot you need. An extreme double boot designed to provide maximum thermal protection within a precise package, perfect for technical challenges in the coldest environments on the globe.


  • Inner boot
  • Inner made from water repellent Lorica
  • Boot is removable and makes for easy drying
  • Thermo-formable insulation, aluminium and mesh linings give optimum warmth
  • Full lacing for a customisable fit
  • Removable insulated footbed
  • Outer boot
  • High tenacity Cordura nylon upper is unlined to provide a breathable gaiter
  • Water repellent coating improves moisture resistance
  • Front Riri Storm zip is waterproof and UV resistant
  • Outer boot is lined with dual-density PE padding for warmth
  • Thermo-reflective aluminium facing provides extra warmth and comfort
  • Vibram rubber rand adds durability and protects against abrasion
  • 5mm insulated structured carbon fibre insole with aluminium barrier
  • Highly insulating Vibram sole with climbing zone at toe for edging and precision
  • B3 rated
  • 1260g (single boot size 42)

Q & A

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