Assertion: crampon's boot | /r/HasProperty | rigid
Facets:
value: fully
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Some boots might be rigid enough to be used with crampons but may not fare well in freezing temperatures.
text: Most ice-climbing boots, especially the more technical models, are very rigid.
text: The boot is fully rigid and allows the crampon to be used on more technical climbs (where there is likely to be sustained use of the crampon's front points) without the crampon loosening.