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Buyer’s Guide reviews
The charts show our impressions from testing
Product info
Category average
In words
Intro
Scarpa's semi-carbon model, similar in shape and features to its big brother 4.0 (it uses the same ski/walk mechanism and the BOA), but with a different response and overall philosophy. Less extreme, more forgiving, more comfortable, but in some ways more suited to 'alpine' skiing thanks to the liner's stiff tongue. It's a less aggressive racer, halfway to a fast & light boot - more so than other semi-carbon models.
Walking
The sole isn't rockered like the Alien 4.0, and you can tell, though it's only a small difference. The internal spaces are well distributed so that the foot can push off and breathe, and the range of motion is almost equal to that of a full-carbon boot. The range is well-balanced between fore and aft (the new Raceborg has a little more to the fore) which can make all the difference when sprinting to the finish line. It can handle everything from light speed-touring to high-profile skimo races.
Lab
It's easy to put on if you pull the cuff back, while the fit is more comfortable and forgiving than the 4.0, without sacrificing one iota of performance. The bikini liner is halfway between low and regular-sized: in front the tongue rises above the cuff flaps, and it is well-padded and firm against the plastic. The flap can create a slight pinching effect on bigger calves, but less so than the 4.0. The ski/walk mechanism keeps it nice and stiff in ski mode, and free and easy in walk mode, and is easy to handle and engage.
Skiing
Good, even if it's not a full-carbon boot. Or maybe precisely because it's not a full-carbon boot. The padded tongue creates good support and gets extra marks in descent. It provides effective forward flexion, which works in synergy with the low, forward pivot between the cuff and shell. The flex is for demanding skiers: it's stiff, but not as much as a full carbon, yet elastic and progressive. It deforms at the right moment and the cuff works in perfect harmony with the shell. That little extra tolerance is what is missing from full-carbon boots, which you need to know how to use so you don't tire easily or sacrifice skiability.
Technical specifications
LINER MATERIALS
carbon fiber
SHELL MATERIALS
Carbon Grilamid LFT
INSERT TYPE
Quick-Step-in
Buckle description
race-ready ski/walk mechanism with Dyneema cable + BOA
Sole description
Scarpa UFO By Vibram
Liner description
Intuition BT
No. of buckles
2
Lean forward
9°/13°
Available sizes
24–30 mp, no half sizes
Released in
2021
Made in
Italy
Price
1099 €
Status
Continuative
Declared specsMeasured by us
We measured the measure 27 to get all the details
785 gr
Individual weight
XXXXX
N/A
Liner weight
XXXXX
N/A
Shell weight
XXXXX
287 mm
External shell length
XXXXX
N/A
External shell width
XXXXX
N/A
Inner shell width
XXXXX
N/A
Pin distance
XXXXX
N/A
Force to 20° back
XXXXX
N/A
Force to 20° forward
XXXXX
75 °
Cuff ROM
XXXXX
N/A
Maximum cuff height
XXXXX
N/A
Maximum tongue height
XXXXX
N/A
Maximum forefoot width
XXXXX
N/A
Maximum ankle width
XXXXX
N/A
Sole thickness at toe
XXXXX
99 mm
Last
XXXXX
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