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Lightweight, technical mountaineering boot for demanding excursions with innovative heel construction and optimum step control.

329.90€ incl. VAT.
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563-31A-999100-455

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The facts at a glance

Suitable for
  • Men
  • Unisex
Made for
  • Via Ferrata
  • Trekking
Membrane
  • Gore-Tex®
  • breathable
  • isolating
  • lightweight
  • waterproof
  • water repellent
  • windproof
  • laces
  • High Cut

La Sportiva Aequilibrium ST GTX

The Aequilibrium ST GTX from La Sportiva is a lightweight and technical mountaineering boot that is ideal for via ferratas, trekking, glacier crossings and changeable terrain. Thanks to the innovative Double Heel™ heel construction, it offers excellent braking properties when descending and a smooth rolling action, which is easy on the muscles and maximizes comfort. The integrated bellows construction of the tongue and the soft snow guard on the protective collar also contribute to the high level of comfort.
The combination of durability and lightness is achieved by the new sole/midsoleunit with external Rubber Guard™ shell construction and internal foam. This provides more cushioning and lightness due to fewer layers of rubber. The ergonomic shape of the shoe, with integrated TPU shells at the toe and heel, provides a precise fit and reinforces the upper.
The 3D Flex System Evo™ enables better step control and perfect ankle mobility, while the abrasion-resistant gaiter at the toe protects the lacing from abrasion. The midsole is compatible with semi-automatic crampons, and the Vibram® SpringLug Tech outsole with Impact Brake System lugs ensures better adaptation to hard rock surfaces. The Aequilibrium ST GTX thus combines all the features necessary for a harmonious and safe mountaineering experience.

Product details

Optimal for:
  • Trekking (longer tours)
  • Access & via ferrata
  • Mountaineering & Alpine tours
  • Running
Materials:
  • Chuck: GORE-TEX Performance Comfort
Inside/Midsole:
None
Footbed:
Glass fiber reinforced nylon
Outsole:
Vibram® SpringLug Tech rubber outsole and PU foam interior

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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