Inspired by high-altitude mountaineering, the Index APX is built for riders who define the edge of what's possible. Its full-length Storm Cover wraps the entire boot in water-resistant armor – a radical design concept that protects your feet when conditions turn savage. Dual H5 BOA® dials offer micro-adjustable foot-hold, while pro-level Vibram® grip opens up the steepest and deepest of objectives. Push further.
The Index APX's Storm Cover wraps the entire boot in super-strong water-resistant mesh with TPU layering. Experience high-alpine protection that keeps your feet sheltered in the deepest, most exposed terrain.The premium Vibram® outsole features ICE-TREK forefoot grip and new Traction Lugs for technical approaches. Its updated Transition Zone and stiffer Durastep heel compound ensure seamless compatibility with Supermatic®.Advanced heat-molding tech delivers a precise fit in minutes. Premium liner materials enhance flex and support, while the top-tier 3D Summit footbed combines dual-density foam with TPU heel support.
