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La Sportiva Aequilibrium ST GTX – technical mountaineering boots for women, designed for demanding approaches and climbing. They combine the lightness, durability, and waterproofness of Gore-Tex® with a Vibram® sole and a rear edge for semi-automatic crampons. Ideal for long expeditions in challenging terrain.  

Basic data

Brand La Sportiva
Country of origin of the brand Italy
Sport Tourism
Gender Woman
Season Autumn/Winter
Leading colour Brown
Model/product code Aequilibrium ST GTX ZFMS099K00P02
Purpose Via ferrata, High mountain, Trekking/Hiking
Code 2000182027

Product details

Upper material Fabric
Lining Gore-Tex Performance Comfort
Height of the upper High
Reinforcements Full wrap
Fastening type Laces
Technologies Double Heel™, 3D Flex System Evo™, GORE-TEX® Performance Comfort, Vibram® SpringLug Tech, HoneyComb Guard™

Outsole

Outsole Vibram® SpringLug Tech
Compatibility with crampons Semi-automatic machines

Protection

Waterproof Yes
Insulation No

Warnings and producer's data

Producer La Sportiva S.p.A. | Via Ischia 2, 38030 Ziano di Fiemme, Włochy | info@lasportiva.com

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus (ZFMS099K00P02)

La Sportiva Aequilibrium ST GTX women's mountaineering boots black/hibiscus are the perfect choice for high-altitude hiking enthusiasts looking for reliable footwear for demanding trails. This model has been designed with the highest standards in mind, making it a dependable companion in challenging conditions. The upper is made from durable fabric and features a full rand to ensure protection and longevity, while water resistance guarantees comfort even in rainy weather.

GORE-TEX® Technology

The La Sportiva Aequilibrium ST GTX women's mountaineering boots black/hibiscus are equipped with GORE-TEX® Performance Comfort membrane, which effectively protects against water. With this technology, your feet remain dry while still able to breathe freely, ensuring all-day comfort. GORE-TEX® Performance Comfort provides reliability in all weather conditions.

Vibram® SpringLug Tech Sole

This model features an external sole made of Vibram® SpringLug Tech, which ensures excellent traction on varied terrain. Thanks to this technology, the boots offer stability and safety on slippery and uneven surfaces. Coupled with the 3D Flex System Evo™, users can expect full freedom of movement and better fit to the shape of the foot.

Comfort and Support

The La Sportiva Aequilibrium ST GTX women's mountaineering boots black/hibiscus are equipped with an innovative HoneyComb Guard™ system that protects the foot from mechanical injuries. Additionally, the Double Heel™ technology enhances stride efficiency, which is especially useful during long hikes in mountainous terrain. The precise lacing system allows for a perfect fit of the boots to the foot, contributing to comfort throughout the day.

La Sportiva Aequilibrium ST GTX women's mountaineering boots - features:

  • Upper made of durable fabric;
  • Full rand increasing foot protection;
  • Waterproof GORE-TEX® Performance Comfort membrane;
  • Vibram® SpringLug Tech sole providing excellent traction;
  • 3D Flex System Evo™ for better fit and freedom of movement;
  • HoneyComb Guard™ technology protecting against mechanical injuries;
  • Double Heel™ enhancing stride efficiency;
  • Compatibility with semi-automatic crampons;
  • Precise lacing system;
  • High upper for additional support and ankle protection.

Product Details

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

GORE-TEX Performance Comfort membrane

The waterproof GORE-TEX Performance Comfort membrane provides complete protection against moisture, snow, and mud, while maintaining high breathability. It keeps a dry microclimate inside the shoe even during intense activity. This solution is dedicated to long expeditions where a combination of waterproofing and thermal comfort is essential.

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

Vibram® Mont sole with SpringLug Tech technology

The Vibram® Mont outsole has been designed for mountaineering. The lugs featuring SpringLug Tech technology enhance grip and flexibility, while the Impact Brake System™ reduces shocks upon contact with the ground. The result is maximum stability and control at every stage of the ascent and descent.

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

System Double Heel™

The Double Heel™ technology ensures smooth foot rolling and effective braking during descents. The dual heel profile increases the contact surface with the ground, which facilitates pace control and reduces leg muscle fatigue. As a result, the shoe maintains stability and fluidity of movement, even on steep, technical terrain.

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

Rubber Guard™ construction with PU inserts

The applied Rubber Guard™ construction with internal polyurethane (PU) inserts provides effective cushioning and reduces vibration transfer. The combination of these materials makes the shoes lighter while maintaining exceptional durability and resistance to damage. Additionally, they provide stable midfoot support during climbing.
Double Heel™
Two-part heel construction in trekking shoes. The part located under the heel ensures less strain on the leg muscles during long hikes. The part located closer to the toes ensures better control when descending.
3D Flex System Evo™
Technology used in the construction of the shoe's upper to protect the ankle joint from injury.
GORE-TEX® Performance Comfort
A versatile technology used in most trekking boots. It provides the boots with resistance to very adverse weather conditions. It is characterised by being waterproof, windproof and breathable.
Vibram® SpringLug Tech
This new technology consists of a rubber coating that offers superior protection and significant scratch resistance, as well as providing excellent grip. The low-density polyurethane content maximises comfort and also ensures that the sole adapts perfectly to uneven terrain.
HoneyComb Guard™
The hexagonal honeycomb structure creates a lightweight yet extremely durable protective layer. This design effectively absorbs impacts and reduces the risk of mechanical damage. It is ideal for demanding terrain, ensuring durability without adding weight.
  1. 100%

    plJoanna

    Robust

    Boots used only once, compatible with crampons, in my case basket crampons. Comfortable, solidly made.
    I hope they will last.

    Translated.Show original
  2. 100%

    plAleksandra

    High-mountain boots

    Comfortable, very lightweight for their appearance. They will definitely travel miles of mountain trails with me

    Translated.Show original
  3. 100%

    plAleksandra

    High-mountain boots

    There are no better shoes for hiking in the mountains

    Translated.Show original

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Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

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Women's mountaineering boots La Sportiva Aequilibrium ST GTX black/hibiscus

Size Sizes table
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Sizes table

    Below you will find information that will help you choose the right size when buying La Sportiva shoes. All you will need is a tailor's tape measure.

    EU size 33 33,5 34 34,5 35 35,5 36 36,5 37 37,5 38 38,5 39 39,5 40 40,5 41 41,5 42 42,5 43 43,5 44 44,5 45 45,5 46 46,5 47 47,5 48
    UK size 1 1,5 2 2 2,5 3 3,5 3,5 4 4,5 5 5,5 6 6 6,5 7 7,5 7,5 8 8,5 9 9,5 9,5 10 10,5 11 11,5 11,5 12 12,5 13
    US M Size 2 2,5 3 3 3,5 4 4,5 4,5 5 5,5 6 6,5 6,5 7 7,5 8 8,5 8,5 9 9,5 10 10,5 10,5 11 11,5 12 12,5 12,5 13 13,5 14
    US W Size 3 3 4 4 4,5 5 5,5 5,5 6 6,5 7 7,5 7,5 8 8,5 9 9,5 9,5 10 10,5 11 11,5 11,5 12 12,5 13 13,5 13,5      
    AB Foot length (cm) 21 21,3 21,6 22 22,3 22,6 23 23,3 23,6 24 24,3 24,6 25 25,3 25,6 26 26,3 26,6 27 27,3 27,6 28 28,3 28,6 29 29,3 29,6 30 30,3 30,6 31

    How to measure the length of your foot - instructions in 4 steps

    1. Prepare a sheet of paper and set it on a hard, non-slippery surface - it is best to tape it to the floor.

    2 Stand barefoot on a piece of paper - distribute your body weight evenly and set your foot straight.

    3. Mark the tip of the big toe and the back of the heel - preferably holding the pencil vertically.

    4. Take off the foot and measure the distance between the marks - this is the length of the foot. Repeat for the other foot and choose a larger measurement, matching it to the size chart.

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