I often did not think much about the weight of rock shoes. They are not particularly heavy (are they? Any of them?) Anyway. But when I first took the booster out of the box, the weight or I must say the lack of it was the first thing that caught my attention. And while the booster feels light, it feels light on your feet. Lightweight but accurate, really accurate. I think weight should be considered in rock shoes. This is certainly true of other outdoor shoes. After all, heavy shoes (rock, running, mountain, skiing) mean low-efficiency movement, right?

SCARPA says:

The booster is a lightweight and extremely sensitive shoe boulder that rises from small edges and sports spots. An asymmetrical, declining shape and one-third the length of the Vibram® XS Grips 2 insole create a flexible shoe that allows for more natural movement on narrow, rugged terrain. Rand DTS enhances powerful movements through dynamic problems by focusing foot strength through an asymmetrical support ribbon. The energy moves forward, while the PAF system helps to reduce the excessive pressure of the toes and provides a firm and firm heel.

All this creates a very precise mountaineering shoe that is ideal for moving carefully on technical and indoor cliffs.

The amplifier is made using vegan-friendly materials and adhesives.

So the booster feels lightweight, the rubber on the top of a Vibram 3.5mm XS Grip 2 is slightly softer than the XS Edge rubber found on shoes like the Boostic. It is sticky and sensitive, stains well and occurs in sloping areas around. Along with the downward movement, which adds a lot to the big toe, this allows you to practically grab the sloping ground as well as transfer a lot of force through the foot. You do not wear a lot of shoes on this shoe. It actually only covers the front 3. This makes the shoes very flexible. Not in a crooked and useless way, but increases sensitivity and feeling. This means that this shoe does not support long-term severe face-climbing attacks, but in fact new, out of the box, I saw them very well on this type of ground as well. They are so sharp and precise that you can confidently stand on small edges and stains, but it is said that they soften and bag up relatively quickly, so I do not necessarily see this as a shoe for technical soils like I do not choose Malham Cove. For example, it is better than Boostics or Instict VS. use. SCARPA produces very soft shoes and puts the booster in the middle category. I’m very old (or just old), so they cost me like a soft shoe.

Where I found these shoes to excel was on the steeper ground. I have used them on gneiss, limestone and granite. F5 to F8. They work well in vertical and technical directions and smear effectively on slabs, but they push the angle back a bit and then they really work. The steep slope is not crazy (although they are good at it), but leaning walls, tufts, driving in pockets and edges, locking toes and heels, they are incredible and very light and thin! I have not used stone shoes with a better feeling than these.

A few tips about fitness Using such shoes, it is important to adjust the size. If you do not shrink enough, they will not work as well as they should. SCARPA says that the size of the booster is different from their other shoes, for example instinct line, and basically you have to make it a little smaller. Due to the past I did not shrink enough and after a few weeks my test amplifiers looked a bit big. It’s not catastrophic, but it did not fit the actual performance (this is a real shoe anyway). So as a guide. I’m getting 43 street shoes. My Instinct VS is 40.5 and my test amplifiers were 41.5. Based on the past, I was looking for boosters at 41, so only half as much as my instincts. When you first pull the boosters, they feel tight and your toes pushed in, but they soon flatten due to the lack of a center outsole and full rubber. The DTS rand and PAF systems work really well and well, but I can feel that a lot of space is covered up front. The last in the range, which changes the fit. I have a medium leg size and they feel great. I personally say they feel more like a classic mid-size shoe, especially in the toe box.

SCARPA Amplifier – Good edge and staining capability on less steep trails, but not stiff-edged shoes.

In the case of heels, it feels really strong and secure. This is very slim, but it fits me perfectly and I have to say I do not have a particular slim heel. The heel hook really felt safe (something I’ve seen critics criticize) and the M50’s softer rubber band worked well for me (again, I’ve criticized this and in other reviews as Slider described). At the top of the foot, there is a toe-shaped toe (like Instinct VS), which works great on the soles of the feet and the toes.

Therefore, to conclude…

A booster is a technical and precise shoe that works better on sloping and technical terrain. For mountaineering and sport mountaineering and indoor climbing markets that have always flourished, I recommend this booster for climbers who want a precise, aggressive and sensitive shoe with a lot of strength in the toes. Velcro, DTS rand and PAF twin straps give the shoe a safe and powerful feel, and the overall light, thin and lightweight material of the shoe offers incredible feel on sloping terrain (virtually all terrain).

  • Learn more and buy on the site SCARPA website
  • RPP price: 145 pounds / 155 euros

Disclaimer – CGR referees are never hired to provide reviews and the website does not receive advertising or affiliate links. We are a group of enthusiastic climbers and travelers who accept sample products and offer an honest and independent review. The referee often keeps the sample after review for health and safety reasons and most of the time it is not suitable for return!

Kevin Averyis anIFMGA Mountain GuideLocated in the Alps, he is available for mountaineering and skiing in the Alps, England and beyond. Contact him through the website:www.truenorthalpine.comOr email truenorthalpine@gmail.com

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