What this document settles
It fixes the sole geometry of a boot intended for ski touring: a curved, rockered profile that lets a foot roll through a stride, a rubber tread that grips on rock and on a hut floor, and the toe and heel dimensions a compatible binding is built to grip.
That geometry is not a small variation on the alpine sole. It is curved where the other is flat, and it is thicker and softer where the binding presses. A binding designed only for the alpine shape is being offered something else.
Two adult forms exist in practice on this shelf: the touring sole this document covers, and the walk soles that sit between touring and alpine and are a licensed geometry rather than a standard. Every boot carries a marking that says which it has.
What it does not promise
It does not say the boot has pin inserts. Toe inserts for a pin binding are a separate fitting, present on most touring boots and absent from some, and a boot can have a touring sole without them.
It does not make a boot light, warm or capable of walking far. Cuff rotation, the range of that rotation, the liner and the weight are all outside it.
It does not promise a release. A boot compatible with a touring binding is one half of an assembly whose release behaviour depends on the binding, and most pin bindings fall outside the alpine release standard altogether.
It does not grant compatibility by itself. A binding declares the sole standards it accepts, and some accept one, some several. The list is on the binding, not on the boot.
What it is read alongside
The alpine boot sole standard on one side, the touring binding requirements on the other, and the assembly and setting procedure above both — though that procedure was written around alpine equipment, which is one of the reasons a touring setup is checked differently.
Where it turns up on this site
Boots and bindings, and through them the touring skis. It reaches the ski crampon shelf too, since a crampon is chosen for the binding, and the binding was chosen for the sole.
This site handles it in one way, consistently. A boot page prints the sole standard the maker declares, states whether pin inserts are mentioned, and prints the Mondopoint size and the sole length as published. Where a listing shows a rockered rubber sole and says nothing about a standard, the page reports the silence rather than reading the photograph.
The questions asked most often
Will a touring boot go into my alpine binding?
Sometimes it will physically go in, and that is the trap. The binding declares which sole standards it accepts, and where a touring sole is not on that list the combination is outside what either product was designed for.
Is a pin insert the same thing as this sole?
No. The toe inserts a pin binding grips are a separate fitting, and a boot can carry both — a touring sole to walk on and inserts to tour with. The listing states which.
Which sole do I want?
The one that matches the bindings you will actually mount. That is the order of the decision on this shelf, and it is the reverse of how boots are usually bought.
Last reviewed 28 September 2026