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La Sportiva Aequilibrium ST GTX

Ultra-light mountain boot for technical excursions, ideal for via ferrata, trekking, glacier crossings and changing terrain.

329.90€ 285.75€ incl. VAT.
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-13%
Color :
Size :
563-31A-999100-43

Delivery time 8 - 10 business days *

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Pay upon invoice
30 days return policy
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For deliveries to Germany
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The facts at a glance

Suitable for
  • Men
Made for
  • Via Ferrata
  • Trekking
Membrane
  • Gore-Tex®
  • breathable
  • isolating
  • lightweight
  • waterproof
  • water repellent
  • windproof
  • laces
  • High Cut
Aequilibrium ST GTX is a lightweight mountain boot for technical excursions, ideal for via... more

La Sportiva Aequilibrium ST GTX

Aequilibrium ST GTX is a lightweight mountain boot for technical excursions, ideal for via ferrata, trekking, glacier crossings and changeable terrain. Maximum comfort thanks to the tongue with integrated bellows construction and the soft snow guard on the protective collar. Excellent walking properties thanks to the innovative heel construction Double Heel™: the very distinctive geometry with dual construction of the heel improves braking properties when running downhill and allows a smoother roll to protect the muscles. + Durability and lightness harmonize perfectly thanks to the new unit sole / midsole with external shell construction Rubber Guard™ and foam inside for greater cushioning and lightness thanks to fewer layers of rubber. The shape is ergonomic: enveloping and precise, with integrated TPU shells on the toe and heel and to reinforce the upper. The 3D Flex System Evo™ rotation with molded ankle and abrasion resistant protection allows better footfall control and perfect ankle mobility. The gaiter for lacing at the top protects against abrasion. The midsole is compatible with semi-automatic crampons, Vibram® SpringLug Tech outsole with Impact Brake System studs provides better adaptation to the hard rock surfaces. Mountaineering in perfect harmony.

The most important facts at a glance

waterproof
breathable
Gore-Tex®

Product details

Optimal for:
  • Trekking (longer tours)
  • Access & via ferrata
  • Mountaineering & Alpine tours
  • Running
Made for:
Men
Upper material:
Nylon 60.6 highly resistant, water repellent with abrasion resistant areas Honey Comb Guard
Insole:
Glass fiber reinforced nylon
Features:
  • Snow guard
  • Breathable
  • Waterproof
  • Snow skirt made of soft fabric
Materials:
  • Chuck: GORE-TEX Performance Comfort
Inside/Midsole:
None
Footbed:
Nylon carbon fiber
Outsole:
Vibram® SpringLug Tech rubber outsole and PU foam interior

Technologies and manufacturing processes

  • 3D FLEX SYSTEM

    Innovative multidirectional movement system of the shank, thanks to which the ankle can make the most of its natural characteristics without losing stability.
  • Impact Break System

    Innovative system on the sole to absorb the impact, also helps in the climb and assists in braking.Designed and developed in the research and development center of La Sportiva, it offers real benefits during the run: the negative effect of the impact with the ground is minimized. Due to the special arrangement of the pimples, some of them come into contact with the ground beforehand, so the impact of the shoe profile is softer.
  • Vibram

    Vibram sole to ensure an optimal balance between performance and durability.
  • AEQUILIBRIUM

    Balance: Condition that allows control of the position and movement of a body in space. Harmonious synthesis between opposing and opposing forces.
Gender: Men
Activity: Climb & Boulder, Hiking, Running, Trekking, Via Ferrata
Fabrics: Gore-Tex®
Characteristics: breathable, isolating, lightweight, waterproof, water repellent, windproof
Lacing: laces
Boot Cut: High Cut

How to choose the right size

Sizes are given in EU sizes on the article's page

EU
34,5
35
35,5
36
37
37,5
38
38,5
39
39,5
40
40,5
US
3,5
3,5
4
4,5
5
5,5
6
6,5
6,75
7
7,5
8
UK
2,5
2,5
3
3,5
4
4,5
5
5,5
5,75
6
6,5
7
Foot length(cm)
22,1
22,4
22,7
23
23,6
24
24,3
24,6
25
25,3
25,6
26
EU
41
42
42,5
43
43,5
44
44,5
45
45,5
46
47
47,5
US
8,5
9
9,5
10
10,5
10,5-11
11
11,5
12
12,5
13
13,5
UK
7,5
8
8,5
9
9,5
9,5-10
10
10,5
11
11,5
12
12,5
Foot length(cm)
26,3
27
27,3
27,6
28
28,3
28,6
29
29,3
29,6
30,3
30,7
EU
48
US
14
UK
13
Foot length(cm)
31

Sizes are given in EU sizes on the article's page

EU
34,5
35
35,5
36
37
37,5
38
38,5
39
39,5
40
40,5
41
42
42,5
43
43,5
44
44,5
45
45,5
46
47
47,5
48
US
3,5
3,5
4
4,5
5
5,5
6
6,5
6,75
7
7,5
8
8,5
9
9,5
10
10,5
10,5-11
11
11,5
12
12,5
13
13,5
14
UK
2,5
2,5
3
3,5
4
4,5
5
5,5
5,75
6
6,5
7
7,5
8
8,5
9
9,5
9,5-10
10
10,5
11
11,5
12
12,5
13
Foot length(cm)
22,1
22,4
22,7
23
23,6
24
24,3
24,6
25
25,3
25,6
26
26,3
27
27,3
27,6
28
28,3
28,6
29
29,3
29,6
30,3
30,7
31

How to measure

1.
  • 1. Foot length:
    From heel end to the tip of the big toe.
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