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La Sportiva Aequilibrium Speed GTX is an ultralight high-altitude boot designed for technical mountaineering. It offers waterproofing, crampon compatibility, and a low-profile construction, providing maximum precision. Ideal for demanding climbers who value speed and performance in extreme terrain – from the valley to the highest peaks.

Basic data

Brand La Sportiva
Country of origin of the brand Italy
Sport Tourism
Gender Male
Season Year-round
Leading colour Yellow
Model/product code Aequilibrium Speed GTX ZFMS095Y00K00
Purpose High mountain
Code 2000150995

Product details

Upper material Fabric
Height of the upper High
Reinforcements Partial lagging
Fastening type Castle, Quick lacing system
Technologies Impact Brake System, Double Heel™, GORE-TEX® Performance Comfort Footwear, Vibram® SpringLug Tech, Techlite™, Vibram® Dura Step
Weight 530 g

Outsole

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

Protection

Waterproof Yes
Breathability 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

Men's mountaineering boots La Sportiva Aequilibrium Speed GTX yellow/ black (ZFMS095Y00K00)

Men's high-altitude boots La Sportiva Aequilibrium Speed GTX yellow/black are technologically advanced footwear designed for climbing and trekking in high-altitude conditions. Thanks to the use of modern materials and technologies, the boots provide the highest level of comfort and safety in harsh weather conditions.

Technologies and waterproofing

One of the key features of the Men's high-altitude boots La Sportiva Aequilibrium Speed GTX is the use of the GORE-TEX® Performance Comfort Footwear membrane, which guarantees waterproofing while maintaining high breathability. This allows the user to enjoy dry feet even during heavy rain or snow, which is extremely important in mountain conditions.

Crampon compatibility and protection

The boots are compatible with semi-automatic crampons, significantly increasing their functionality in challenging snowy or icy terrain. Additionally, the partial rand and technologies such as Vibram® Dura Step and Vibram® SpringLug Tech provide excellent grip and stability, which is crucial during climbing.

Advanced systems and user comfort

Thanks to the Impact Brake System and Double Heel™ technologies, the boots offer excellent cushioning and foot stabilization, minimizing the risk of injuries. The quick lacing system and zipper allow easy and fast adjustment of the footwear to the foot, which is especially important in situations requiring a quick response.

Ecological aspect and weight

La Sportiva Aequilibrium Speed GTX is an environmentally friendly product made from recycled materials, highlighting the brand's commitment to environmental protection. Each boot weighs 530 g, making them relatively lightweight for high-altitude footwear, which in turn enhances comfort during longer expeditions.

Summary

Men's high-altitude boots La Sportiva Aequilibrium Speed GTX yellow/black are the ideal choice for those seeking reliable footwear for extreme mountain conditions. Their technologically advanced solutions and ecological approach make them a product that meets the expectations of even the most demanding users.

Impact Brake System
Innovative La Sportiva brand technology applied to the sole of mountain boots for walking shock reduction, traction support and improved ground grip. The unique placement of the tabs ensures maximum impact absorption.
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.
GORE-TEX® Performance Comfort Footwear
A type of iconic membrane with water repellent and windproof properties used in mountain trekking boots.
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.
Techlite™
Special foam developed by the Columbia brand placed in the midsole. Designed for hiking and running shoes. Developed to provide shock absorption and stability in the field. Also extremely lightweight.
Vibram® Dura Step
Vibram® Durastep is an advanced rubber compound designed for mountaineering and intense mountain activities. It provides exceptional durability, great grip on wet surfaces and reliability in cold temperatures. Additionally, by eliminating carbon black, it is more environmentally friendly and allows for colouring in a variety of colours.
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Men's mountaineering boots La Sportiva Aequilibrium Speed GTX yellow/ black

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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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