It is usually located on the back of the boot around ankle height.
Ski boot flex vs weight.
In our boot test this year the softest boots we tested were 80s and the stiffest were 140s.
Flex in ski boots refers to how difficult it is to flex the boot forward.
Ski boot flex stiffness.
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.
In general the most sold alpine ski boots are with the following flex.
As i said above your boot flex should be less than your ankle flex if it is to support you.
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.
The ski boot manufacturers are always experimenting with different plastic technologies and so between brands and models different plastics will react in different ways when the boots are flexed factors such as temperature and terrain should also be considered and so the flex ratings should only really serve as a general guide for the skier.
Manufacturer flex ratings are not exact industry standardized values.
The higher the number the stiffer the flex feel.
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.
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.
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.
Race ski all mountain ski freeride ski freestyle ski mountaineering ski race ski boots freeride ski boots mountaineering ski boots footwear trail shoes hiking shoes trekking shoes.
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.
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Please be aware that this chart is just guidance and some skiers might not fit this guide due to special preferences skills or weight.
The suggested flex numbers range within 10 25 figures.