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Salomon·Ski boots

Salomon S/Pro Alpha C BOA 120

High-performance men's ski boot with a narrow last, BOA precision and flex 120 for race-inspired piste skiing.

677 €
1Size
677 €
  • Delivery in 2–5 business days
  • 30-day returns
Ski expert
Not sure about the size? Chat with a ski expert, or call +46 370 33 97 70.
Narrow last
Fit
Tight Alpha fit that keeps the foot stable at high speed.
Flex 120
Response
Stiff, race-oriented flex delivers fast power transfer.
BOA
Fit System
Even pressure gives a fine-tuned fit all day long.

About Salomon S/Pro Alpha C BOA 120 – Ski boots

The Salomon S Pro Alpha C BOA 120 is a high-performance ski boot for advanced skiers who want precise control, quick response, and a very precise fit. It's built for active piste skiing where power transfer, stability, and feel are paramount, whether you're laying down hard carving turns or skiing at high speed all day.

The Alpha fit with a 98mm last provides a snug and performance-oriented grip around the foot. The ExoDrive construction ensures that the cuff wraps evenly around the foot and heel, providing better retention and a more compliant flex. Together with the Powerlink pivot between the shell and cuff, power is transferred directly and controlled to the ski.

The BOA Fit System around the cuff allows for precise fit adjustments. The tightening is evenly distributed around the lower leg and can be fine-tuned throughout the day for optimal comfort and support. This provides a stable feel without pressure points, even during longer runs.

The S Pro CF Expert Liner is pre-formed and built with 4D construction for a better fit and support. It adapts to the foot's shape and provides good comfort immediately, while keeping the foot stable when the load increases. GripWalk soles provide better grip when walking and make the boot easier to use off-piste.

The Salomon S Pro Alpha C BOA 120 is an excellent choice for those who want a modern ski boot with a precise fit, strong power transfer, and a distinct racing feel.

Salomon S/Pro Alpha C BOA 120, Specifications:

  • Last: 98 mm
  • Flex: 120
  • Weight: 1870 g per boot
  • Men's model
  • Walk mode: No
  • GripWalk: Yes
  • Liner: S Pro CF Expert Liner
  • Other: BOA Fit System, ExoDrive construction, Powerlink pivot, Alpha fit

Fit & last

The last is the boot’s width across the ball of the foot. 100 mm is a medium width and suits most people. If you have a wide foot or high arches, we can spot-heat the shell in the store where it presses. The boot should feel snug when you try it on: your toes touch the front when you stand straight and pull back when you bend your knees. The liner packs out 3–5 mm during the first week, so a boot that feels comfortable in the store will be too big after a week. Always measure mondopoint — boot size has nothing to do with your normal shoe size.

Boot fitting

Buy your ski boots from us and you get free boot fitting for 1 year from purchase. That means we heat-mould the liner and grind or punch the shell at no extra charge. If we need to add materials or products, such as a custom-moulded footbed, you only pay for those — not for the work. You’re welcome to drop into our store at Isaberg, Sweden for up to 1 year after your order is placed.

Shipping & returns

Delivery time: 2–5 business days to Germany, from our warehouse in Hestra, Sweden. If the boot doesn’t fit right, free boot fitting is included for 1 year from purchase. Call +46 370 33 97 70 if you’re unsure before you order.

Salomon S/Pro Alpha C BOA 120 specifications

CategorySki boots
Skier levelAdvanced–Expert
Flex120
LastNarrow (98 mm)
LinerS Pro CF Expert Liner
GripWalkYes
Walk modeNo
Weight1870 g per boot
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Choosing ski boots
Your ski boots affect your skiing more than any other piece of equipment — and they’re the hardest to choose online. Below we go through mondopoint, flex, last and what a boot fitting does.
Mondopoint — measure your foot, not your shoe size
Ski boots are sized in mondopoint, which is the length of your foot in centimetres. Stand with your heel against a wall, mark your longest toe and measure. That measurement is your size. Your EU shoe size is a poor starting point because it varies between manufacturers. A ski boot should feel snug when it’s new — the liner packs out 3–5 mm during the first week of skiing.
Flex and what the number means
Flex describes how much force it takes to bend the boot forward. 60–90 is soft and forgiving, 90–110 is an all-round level, 110–130 is stiff for skiers who ski hard, and above 130 is race level. The number isn’t standardised between manufacturers, so a 100 from one brand can feel like a 110 from another. If you’re heavy or ski aggressively, you want a stiffer boot; if you’re lighter or a beginner, you want a softer one.
Last — the width of your foot
The last is the boot’s width across the ball of the foot. Narrow is around 98 mm, medium around 100 mm and wide around 102 mm. A medium last suits most people. If you have a wide foot, a last that’s too narrow isn’t something you get used to — but the shell can be heat-moulded to make room where it’s needed.
Boot fitting makes the difference
Nine out of ten skiers have something adjusted at their first fitting. We analyse your foot, heat-mould the liner and grind or punch the shell where it pinches. A custom-moulded footbed gives better heel hold and less foot fatigue, and is the single biggest improvement you can make without changing boots. Buy your ski boots from us and free boot fitting is included (materials such as footbeds are paid separately), and you’re welcome to drop into the store for up to 1 year after your order is placed.
Socks and fit go together
A thin, knee-high ski sock with no seams across the ball of the foot is the right choice. Thick socks make the boot tighter without making it warmer — it’s the air inside the boot that insulates, and a boot that pinches gives you cold toes. Never wear two pairs.
Frequently asked questions
Ski boots are measured in mondopoint, which is the length of your foot in centimetres. Put your heel against a wall, measure to your longest toe and choose that size. The boot should feel snug when it’s new.
Ski expert
Didn’t find your answer? Call +46 370 33 97 70 or chat with a ski expert.
Salomon S/Pro Alpha C BOA 120
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677 €