Manufacturer flex ratings are not exact industry standardized values.
Ski boot flex vs weight.
Flex in ski boots refers to how difficult it is to flex the boot forward.
Some ski boots have a switch so you can adjust the boots stiffness to match a particular type of skiing like powder groomers or bumps.
The so called flex index is a number assigned to a boot that conveys how stiff that boot is in forward flex the feel against your shin.
It is usually located on the back of the boot around ankle height.
Smallzookeeper you make a very good point the answer is no after removing some bolts from the back of my boots on a ski instructors advice i ended up with a damaged achillies tendon that took 6 months to recover.
Please be aware that this chart is just guidance and some skiers might not fit this guide due to special preferences skills or weight.
Ski boot flex stiffness.
As i said above your boot flex should be less than your ankle flex if it is to support you.
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Boot flex ranges from very soft to race stiffness indicated by a numeric flex index that s usually a number from 50 soft to 130 very stiff.
The boot fitter will usually observe the skier flexing a boot and may make a judgment to either recommend a stiffer or softer flex based on their observation in the shop.
In general the most sold alpine ski boots are with the following flex.
The suggested flex numbers range within 10 25 figures.
Nor can this guide be an exact assessment of them but it should give you an idea of the relationship among flexes.
Often this number is written on the outside of the boot cuff.
In our boot test this year the softest boots we tested were 80s and the stiffest were 140s.
The higher the number the stiffer the flex feel.
In the end you ll do your own flex tests remembering that in a warm ski shop you should be able to squat downward flexing the boot forward without being.
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