Crampons similar to boots are rated on their flexibility and by how much support they provide.
Crampons for flexible boots.
Crampons are graded c1 c2 and c3 relative to their flexibility and general compatibility with different styles of boots.
Flexible crampons c1 on the other hand are primarily designed for hiking and mountaineering on flat and semi steep terrain glacier travel and similar.
You can wear aluminum crampons with sneakers and strap on bindings for light mountaineering or glacier travel just make sure the flexibility is similar.
Instead of picking your boots up to test stiffness compressing them like some cobbler s arm trainer why not use your body weight instead.
C1 crampons that are flexible with simple straps and usually ten points.
No crampons are suitable for b0 boots flexible walking boots.
As they use strap on bindings they can be used with any hiking boots as long as they don t have too flexible soles like summer hiking boots.
In general the lower ratings are for snowy backpacking and the higher numbers are for alpine ice climbing.
These crampons are known as basket binding or flexible crampons.
Bring along your boots when shopping.
For highly flexible boots get crampons with a flexible center bar that connects the front and back.
Crampons generally fall into three groups flexible semi rigid and rigid and the more flexible your boots then the more flexible your crampons will have to be.
They are designed to fit boots that are fairly flexible but will still fall off if you wear them on flexible summer hiking boots.