La Sportiva Aequilibrium ST Mountaineering Boots Women 37.5 Black/Yellow

The La Sportiva Aequilibrium ST is a high-performance mountaineering boot designed for women, offering exceptional stability, comfort, and protection on technical terrain. Featuring a water-repellent Honeycomb Guard™ upper and GORE-TEX Performance Comfort lining, these boots keep your feet dry while allowing breathability. The Vibram® SpringLug Tech outsole with Impact Brake System™ provides superior traction on mixed surfaces, while the 3D Flex System Evo™ ankle articulation ensures natural movement. Ideal for glacier travel, via ferrata, and demanding trekking.

Advantages

Lightweight yet durable construction with semi-automatic crampon compatibility. The integrated lacing system with hooks and loops allows precise fit adjustment. Ergonomic 4mm footbed enhances comfort during long approaches.

Suitable for

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

Key specifications

• Upper: Water-repellent Honeycomb Guard™ fabric, synthetic reinforcements, abrasion-resistant rand
• Lining: GORE-TEX Performance Comfort
• Midsole: Polyurethane foam with TPU inserts, Rubber Guard™ outer shell
• Outsole: Vibram® SpringLug Tech with Impact Brake System™
• Footbed: La Sportiva Ergonomic 4mm
• Crampon Compatibility: Semi-automatic (C2)
• Lacing System: Integrated lacing with hooks and loops
• Flex System: 3D Flex System Evo™ ankle articulation
• Weight (per boot): 515g (size 38 reference)
• Waterproofing: Yes (GORE-TEX)
• Breathability: High
• Colour: Black / Yellow

Recommendations

For optimal performance, pair with semi-automatic crampons and gaiters. Break in gradually on moderate terrain before technical use.