The rubber outsole is both sticky and durable (a rarity), and extends halfway up the toe before giving way to a slightly thinner rubber rand, which adds toughness for little weight. The rubber rand wraps 360 degrees around the boot, protecting both the double- and triple-stitched leather and your foot from every angle.
The firm EVA midsole and PU shank give the Camp Four enough support to handle 50-pound packs. And the ankle cuff, which is reinforced by an extra layer of leather on the front and a high rubber rand on the back, enabled one tester, recovering from a sprained ankle, to wear them comfortably on an 8-mile hike to the summit of Washington’s Mt. Si.
Five Ten’s Stealth S1 rubber outsole sticks to every surface, wet or dry. One tester scrambled up a 5.1 granite slab in Lake Tahoe with a 25-pound pack and stuck like a gecko to the rock. And because the rubber extends up the instep, we also enjoyed impressive traction during scrambling, log-crossing, and muddy-root clambering.