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AT sole blocks for interchangeable backcounrty use on the Black Diamond Factor AT boots, which come equipped with ISO Alpine DIN blocks.
When it's time to leave the resort behind and hit the backcountry in search of epic lines, outfit your Factor boots with the Black Diamond Factor AT Sole Block. This interchangeable sole gives the Factor Dynafit compatibility and a boot-sole grip for rocky traverses and quad-burning approach hikes. Now you can use your favorite boots both in AND out of the resort.