For the ladies who know that a good day on the hill starts with being comfortable, the Mach BOA 85 W is your new best friend. Featuring a medium-volume, anatomically shaped lower shell designed specifically to work with the BOA® Fit System -- the MachBOA 85 W provides a Dialed-In Precision Fit. A plush, anatomically shaped liner provides unparalleled comfort inside the boot, so you focus on having an epic day on the mountain.