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La Sportiva Boulder X Mid

Lightweight model with mid-cut, waterproof and breathable, recommended for technical approaches and trekking. Particularly suitable for activities as a mountain guide and rescuer.

219.90€ 186.85€ incl. VAT.
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563-17E-BY-41

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The facts at a glance

Suitable for
  • Men
  • Unisex
Made for
  • Via Ferrata
  • Trekking
Membrane
  • Gore-Tex®
  • breathable
  • isolating
  • waterproof
  • laces
  • Mid Cut
The shaft is protected all around by a rubber edge and guarantees protection against unwanted... more

La Sportiva Boulder X Mid

The shaft is protected all around by a rubber edge and guarantees protection against unwanted shocks. The GORE-TEX lining guarantees optimal climatic comfort, even after many hours. The lacing system is patented and comes from the Mythos project. The 2 mm plantar insert in EVA supports cushioning during impact with the ground and contributes to the general comfort of the shoe. The Vibram® sole with Impact Brake System has been equipped with a climbing zone to ensure maximum grip when climbing.

The most important facts at a glance

waterproof
breathable

Product details

Construction:
  • Mid-cut
Optimal for:
  • Trekking (longer tours)
  • Access & via ferrata
  • Climbing
  • Running
  • Bouldering
Shank:
Chamois leather with protective edge.
Features:
  • Breathable
  • Waterproof
  • Lining in GORE-TEX, waterproof and breathable with excellent climate effect.
Materials:
  • External material: Chamois leather with protective edge.
  • Chuck: GORE-TEX Extended Comfort.
Inside/Midsole:
Microporous with differentiated thickness and EVA 2 mm anti-shock planar insert.
Outsole:
Vibram® Idrogrip with Impact Brake System.

Technologies and manufacturing processes

  • 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.
Gender: Men, Unisex
Activity: Climb & Boulder, Hiking, Running, Trekking, Via Ferrata
Fabrics: Gore-Tex®
Characteristics: breathable, isolating, waterproof
Lacing: laces
Boot Cut: Mid 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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