Petzl Crampon Spare Back Flex Mammut Mammut Repair Patch Kit 6mm drop (25mm heel /

6mm drop (25mm heel / 19mm forefoot)

Stitch-Through narrow baffles

300g PrimaLoft Silver insulation

The fully rubberized back maximizes grip

curved brim

Petzl Crampon Spare Back Flex Mammut Mammut Repair Patch Kit 6mm drop (25mm heel /The Petzl Back Flex is a heel attachment allowing you to fit Petzl crampons to boots without a rear heel welt (B2 Boots). The Back Flex is compatible with Petzl LEOPARD FL, IRVIS HYBRID, IRVIS, VASAK, SARKEN and LYNX crampons. Petzl ALPEN ADAPT gives you the ability to switch out various components of Petzl crampons so they can be adapted to take on the terrain in front of you. Petzl Back Flex Features Compatible with LEOPARD LLF, LEOPARD FL, IRVIS