La Sportiva Aequilibrium ST GTX Women's Trekking Boots - Black/Aqua, Size 38.5

The La Sportiva Aequilibrium ST GTX is a high-performance women's trekking and mountaineering boot designed for technical terrain. Featuring a GORE-TEX Performance Comfort membrane for waterproof breathability, a Vibram® SpringLug Tech outsole with Impact Brake System, and a supportive high ankle with 3D Flex System Evo™, this boot offers stability and traction on via ferrata, glacier crossings, and light mountaineering routes. The upper combines water-repellent nylon with Honey-Comb Guard reinforcements and TPU film for durability. With semi-automatic crampon compatibility (C2) and a stiff flex, it's ideal for demanding outdoor adventures.

Advantages

Waterproof and breathable GORE-TEX membrane keeps feet dry; Vibram® outsole provides excellent grip on mixed terrain; high ankle support with 3D Flex System Evo™ enhances mobility and protection; semi-automatic crampon compatible for glacier travel; lightweight construction reduces fatigue.

Suitable for

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

Key specifications

• Gender: Women's
• Upper: Water-repellent Nylon 60.6, Honey-Comb Guard reinforcements, TPU film
• Lining: GORE-TEX Performance Comfort
• Midsole: Polyurethane foam with anti-abrasion TPU film, Double-Density PU
• Outsole: Vibram® SpringLug Tech with Impact Brake System
• Insole: Nylon and carbon fiber
• Closure: Laces
• Weight per boot: 515 g (approx. size 38)
• Flexibility: Stiff

Recommendations

For optimal performance, pair with gaiters and use semi-automatic crampons for glacier travel. Break in boots before extended trips.