Spark T1 Step Locker 146477 Silicon textured piece at the

Silicon textured piece at the back of heel to prevent slouching

Since its debut in 1977

This shirt keeps you stink-free

Construction | Alpha (NetPlus)

Spark T1 Step Locker 146477 Silicon textured piece at theThe 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