La Sportiva G-Summit - Mountaineering boots for high mountains

The La Sportiva G-Summit are mountaineering boots that set a new standard for technical climbing at high altitudes. Designed with a dual purpose - to be exceptionally warm as a single-boot and precisely lightweight as a double-boot when used with a liner - the G-Summit is a customizable tool that adapts to the conditions of any expedition.

Thanks to the removable inner liner and the thermally insulated insole, the G-Summit can be configured for the terrain: without the liner for ice and mixed climbing at medium to high altitudes, and with the liner for extreme cold and polar conditions.

Key features:

• Core-Wrap™ technology in the shell - maximum warmth with minimal weight
• BOA® M4 Dial System - quick lacing adjustment even while wearing gloves in cold weather
• Removable liner and thermal-insulating insole - configure the boot to suit the conditions
• Integrated gaiter with abrasion-resistant fabric and puncture-resistant PU reinforcement
• Vibram® Ice-Tech™ with Dura Step rubber - optimal traction on ice, wet rock, and in low temperatures
• TPU insert for front and rear crampon attachment (B3 compatibility)
• Water-repellent inner elastic band for moisture protection

Technical Specifications:

• Weight: 830 g (single shoe) | Sizes: 37–48 (half sizes)
• Upper: abrasion-resistant fabric / TPU toe cap / TPU heel and toe
• Inner liner: 3 mm thermo-reflective PE + EVA foam
• Insole: 5 mm thermal (removable) / 5 mm Carbon Z-Therm™ (fixed)
• Outsole: Vibram® Ice-Tech™ / Impact Brake System™
• Crampon compatibility: B3 (automatic front and rear crampons)

La Sportiva G-Summit boots are the preferred choice of mountaineers for ice climbing, big-wall routes, technical winter expeditions, and extended stays in extreme temperatures - from the Alps to the eight-thousanders.