La Sportiva Aequilibrium LT GTX Mountaineering Boot - Lime Punch/Carbon - Size 43.5

The La Sportiva Aequilibrium LT GTX is a lightweight, technical mountaineering boot designed for demanding alpine terrain. Combining a water-repellent synthetic upper with a GORE-TEX Performance Comfort lining, it offers reliable waterproofing and breathability. The boot features a semi-crampon compatible midsole with PU foam and anti-abrasion TPU film, along with a Vibram® Impact Brake System sole with climbing zone for superior traction. The 3D Flex System Evo ensures natural movement, while the all-around rubber rand provides durability. Ideal for glacier crossings, via ferrata, and technical trekking.

Advantages

Lightweight yet robust construction; excellent waterproof and breathable protection; semi-automatic crampon compatibility; superior grip on mixed terrain; ergonomic footbed for all-day comfort.

Suitable for

• Technical mountaineering
• Glacier crossings
• Via ferrata
• Demanding trekking

Key specifications

• Upper: Water-repellent synthetic fabric with abrasion-resistant rand
• Lining: GORE-TEX Performance Comfort
• Midsole: PU foam with anti-abrasion TPU film
• Sole: Vibram® Impact Brake System with climbing zone
• Crampon compatibility: Semi-automatic (B2 rated)
• Flex system: 3D Flex System Evo
• Footbed: La Sportiva Ergonomic
• Closure: Traditional lacing with hooks
• Weight (per boot, size 42): 640 g
• Colour: Lime Punch / Carbon
• Size: 43.5 EU
• Gender: Unisex

Recommendations

For optimal performance, pair with semi-automatic crampons and gaiters. Ensure proper fit by trying on with technical socks.