Designed for skiers and adventurers who spend a long time outdoors in severe cold and need a reliable

and with a digital microprocessor that ensures a very precise temperature control

Walking sole compatible

Dual Core construction ensures unparalleled rebound and flex control for total control of your line

Spark R & D T1 Step Locker Color:Black Designed for skiers and adventurersThe option to lock your heel while touring helps you better adapt to diverse terrain types where quick descents, side stepping, and skate splitting become more effective means of backcountry travel. Our Step Lock design makes it easier than ever, with the ability to rotate the lever to the locked position, then simply step down to lock the heel. The heel stays securely locked in place until you rotate the lever to the unlocked position. There is an