Hydration system-compatible

Brace and drive off the higher stiffer Power Sidewall

FULLY HEAT-MOLDABLE:Both the boot's shell and cuff are capable of being heat-molded to a variety of foot shapes for a true custom fit

making it fully packable

and it has a visor on the front for a look that hell love

Mammut Cartridge Refill Kit (Pack of 3) BFski15 Hydration system-compatibleThe refill kit allows to refill the 'Cartridge Refillable 207 Bar Alu empty', by using a compressed air source. A gasket and cover plate are required for each refill operation. Depending on the version, 3 or 20 refills are possible. Airbag system: Removable Airbag System