La Sportiva Aequilibrium ST GTX Women's Mountaineering Boots - Hibiscus/Black - Size 40.5

Conquer technical terrain with the La Sportiva Aequilibrium ST GTX, a women's mountaineering boot designed for demanding alpine adventures. Combining lightweight construction with robust protection, this boot features a GORE-TEX Performance Comfort lining for reliable waterproofing and breathability. The Vibram® SpringLug Tech outsole with Impact Brake System ensures superior traction on mixed terrain, while the 3D Flex System Evo™ provides natural ankle mobility without sacrificing support. Ideal for glacier travel, via ferrata, and technical trekking.

Advantages

Lightweight yet durable construction with water-repellent high tenacity Nylon upper and TPU reinforcements. Semi-automatic crampon compatible (B2) for technical ice and mixed routes. The honey-comb Guard™ and integrated protective rand shield against abrasion and impacts.

Suitable for

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

Key specifications

• Upper: Water-repellent high tenacity Nylon 60.6 with honey-comb Guard™ and TPU external reinforcements
• Lining: GORE-TEX Performance Comfort
• Midsole: Polyurethane foam with external protective shell and internal EVA insert
• Outsole: Vibram® SpringLug Tech with Impact Brake System
• Crampon compatibility: Semi-automatic (B2)
• Lacing: Traditional lace-up with hooks
• Ankle mobility: 3D Flex System Evo™
• Footbed: La Sportiva Ergonomic
• Shaft height: High-cut
• Weight: Not specified
• Origin: Made in Italy

Recommendations

For optimal performance, pair with semi-automatic crampons and gaiters. Ensure proper fit by trying on with technical socks. The Aequilibrium ST GTX is a versatile choice for mountaineers seeking a balance of weight, support, and durability.