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Men's approach shoes La Sportiva Boulder X Mid are the perfect footwear for challenging trails, combining a leather upper with GORE-TEX Extended Comfort technology for waterproofing and Vibram® Idrogrip for excellent grip. The high collar and Impact Brake system provide comfort and stability.

Basic data

Brand La Sportiva
Country of origin of the brand Italy
Sport Tourism
Gender Male
Season Year-round
Leading colour Blue
Model/product code Boulder X Mid ZFAS004BY
Purpose Via ferrata, Trekking, Approch
Code 2000064773

Product details

Upper material Leather
Height of the upper High
Reinforcements Full wrap
Fastening type Laces
Technologies GORE-TEX Extended Comfort Footwear, Impact Brake System, GORE-TEX® Extended Comfort, Vibram® Idrogrip

Outsole

Compatibility with crampons No

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

Men's trekking boots La Sportiva Boulder X Mid blue/yellow (ZFAS004BY)

Men's approach shoes La Sportiva Boulder X Mid blue/yellow are technically advanced footwear designed for demanding users who need support during mountain activities. Thanks to precisely selected materials and technologies, the shoes offer unparalleled functionality and comfort in various terrain conditions.

Waterproofness and breathability

The men's approach shoes La Sportiva Boulder X Mid blue/yellow are equipped with a GORE-TEX® Extended Comfort membrane, which provides full waterproofing while allowing moisture to escape outside. This keeps feet dry even during intense trips on rainy days. This technology is ideal for people who expect reliable protection against moisture without compromising breathability.

Stability and grip

The Vibram® Idrogrip system combined with the Impact Brake System ensures exceptional grip and stability on various surfaces. This technology allows safe movement on both slippery rocks and muddy trails. Additionally, the full rand reinforces the shoe's construction, increasing its durability and resistance to mechanical damage.

Height and lacing system

These shoes feature a high collar that supports the ankle and provides additional protection in difficult terrain. The lacing system based on shoelaces allows precise adjustment of the shoe to the foot, which is crucial when overcoming steep ascents or descending uneven paths.

No insulation and crampon compatibility

The Boulder X Mid model does not have insulation, making it more versatile in warmer climatic conditions. However, it should be noted that these shoes are not compatible with crampons, which limits their use during winter mountain expeditions. Nevertheless, their other features make them an ideal choice for trekking enthusiasts looking for reliable footwear for warmer days.

GORE-TEX Extended Comfort Footwear
A membrane used in hiking footwear with properties responsible for moisture wicking and thermoregulation. Will perform well in warm weather conditions.
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.
GORE-TEX® Extended Comfort
A technology used in shoes designed primarily for intense activity in warmer weather. Provides maximum water resistance. The shoe is devoid of an insulating layer, which increases breathability and moisture wicking.
Vibram® Idrogrip
An outsole developed for maximum grip in wet terrain. This compound is ideal for challenging trekking trails where high performance is required.
Socks La Sportiva Outdoor Fun redwood/mountain red
Size
35-37 EU
38-40 EU
41-43 EU
44-46 EU
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  • 35-37 EU €28.99 €23.99
  • 38-40 EU €28.99 €23.99
  • 41-43 EU €28.99 €23.99
  • 44-46 EU €28.99 €23.99
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Size
S
L
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  • S €52.99 €39.99
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Black Diamond Distance Carbon ultra blue trekking poles
Size
110 cm
120 cm
130 cm
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Deuter Futura Air Trek 50 + 10 l trekking backpack blue 34021211374
Size
50+10 l
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Men's trekking boots La Sportiva Boulder X Mid blue/yellow

Men's trekking boots La Sportiva Boulder X Mid blue/yellow

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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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