La Sportiva – Olympus Mons S

Designed for elite alpinists targeting 8,000-meter peaks, extreme cold, and Himalayan winter expeditions, the La Sportiva Olympus Mons S establishes a new standard in high-altitude footwear. The double-boot construction integrates an insulated, waterproof stretch Cordura gaiter with an inner boot featuring dual BOA closure dials that can be adjusted while wearing heavy expedition gloves. Its dual-density TPU insert and Vibram Litebase/Matterhorn sole allow seamless integration with automatic crampons while drastically reducing weight during high-gradient, technical ice climbs. Whether navigating freezing ridge passes or tackling steep icy couloirs in volatile weather conditions, this boot guarantees maximum thermal retention and structural rigidity. Shop online at Makalu e-traders or visit our physical store in Thamel.

La Sportiva – Olympus Mons S Features

• Dual BOA Fit System: Separate upper and lower zone micro-adjustability operated externally without opening the gaiter.

• Gaiter Construction: Water-repellent, high-tenacity stretch Cordura with internal thermal barrier and abrasion-resistant reinforcement.

• Inner Boot Configuration: Dual-layer removable inner boot utilizing heat-reflective aluminum film and PrimaLoft Gold Insulation Eco.

• Vibram Matterhorn Sole: Ultra-lightweight rubber compound with Vibram Litebase technology for maximum traction on rock, ice, and packed snow.

• Carbon Insole: 3 mm honeycomb carbon tech insole delivering torsional rigidity and cold transmission insulation.

• Corner Zip Gaiter System: Curved, waterproof YKK zipper tracking along the natural contour of the foot to eliminate pressure points.

• Tech insert Integration: Skitrab pin-binding compatible toe inserts for light ski-touring approaches in deep alpine snow.

Technical Specifications

Physical Dimensions & Weight

• Weight: 1,050 g per boot (2,100 g per pair, size 42)

• Gaiter Height: 30.5 cm

• Sizing Range: EU 38 – 48 (including half sizes)

Material Composition

• Outer Gaiter: Water-repellent stretch Cordura® / High-tenacity fabric / Elasticized upper cuff / Lorica® reinforcements

• External Shell: High-tenacity nylon upper / PE insulation layer / Heat-reflective aluminum layer

• Removable Inner Boot: 4 mm PE + EVA high-density foam / Heat-reflecting aluminum layer / PrimaLoft® Gold Insulation Eco / Mesh lining

• Insole: 3 mm Honeycomb Tech insulating carbon structure

• Midsole: Polyurethane 2 mm heel/toe welts for crampon attachment / Skitrab tech toe insert

• Outsole: Vibram® Matterhorn with Vibram® Litebase Technology

Performance Metrics & Compliance

• Temperature Rating: Extreme Cold (-40°C to -50°C alpine range)

• Waterproofness: Sealed YKK® waterproof zipper + DWR treated Cordura® gaiter

• Crampon Compatibility: Automatic / Step-In (Toe and Heel welts)

• CE Certification: EN ISO 20347 compliant protective mountain footwear standard