La Sportiva Aequilibrium ST GTX Mountaineering Boots - Giallo/Nero, EU 43

The La Sportiva Aequilibrium ST GTX is a high-performance technical mountaineering boot designed for demanding alpine terrain. Combining lightweight construction with robust support, it offers excellent stability and comfort for glacier travel, high-altitude trekking, and technical ascents. The GORE-TEX® Performance Comfort lining ensures reliable waterproofing and breathability, keeping your feet dry in wet and snowy conditions.

Advantages

The Aequilibrium ST GTX features La Sportiva's innovative Double Heel™ construction, which enhances downhill performance by providing a stable and secure heel hold. The Vibram® SpringLug Tech outsole with Impact Brake System™ delivers superior traction and braking on mixed terrain. The semi-cramponable PU foam midsole with external TPU shell offers excellent support for semi-automatic crampons (B2 compatible), making it ideal for technical mountaineering routes.

Suitable for

• Technical mountaineering and alpine climbing
• Glacier travel and high-altitude trekking
• Mixed terrain approaches with crampon use
• Demanding winter conditions requiring waterproof protection

Key specifications

• Upper: Water-repellent Nylon 60.6 with abrasion-resistant reinforcements
• Lining: GORE-TEX® Performance Comfort
• Midsole: Semi-cramponable PU foam with external TPU shell, C-Zone™ cushioning
• Outsole: Vibram® SpringLug Tech with Impact Brake System™
• Crampon compatibility: Semi-automatic (B2)
• Weight (per boot, size 43): 0.64 kg
• Color: Yellow / Black
• Size (EU): 43
• Lacing: Traditional with integrated gaiter compatibility
• Footbed: La Sportiva Mountain Footbed
• Waterproofing: Yes (GORE-TEX®)
• Breathability: Yes (GORE-TEX®)
• Country of Origin: Italy

Recommendations

For optimal performance, pair these boots with semi-automatic crampons and gaiters. The Aequilibrium ST GTX is designed for experienced mountaineers seeking a lightweight yet durable boot for technical alpine objectives. Ensure proper fit by trying on with mountaineering socks.