Rough Out Leather & 1000 Denier Nylon UpperOur rough-out, full-grain leather upper is legendary for its durability. We pair it with 1000 Denier nylon for superior protection.
Spacer Mesh LiningIdeal for hot weather conditions, this liner dispels heat vapors and allows for continuous airflow.
Speed Lace SystemOur special hardware allows you to tighten from toe to top with one swift tug for a secure, tight fit.
Vibram® Rivot TFX® OutsoleSuperior acceleration, braking, pivoting, and overall traction in rugged terrains with 360(°) pivot point lugs and strategically placed broad flat lugs.
TERRA FORCE X platformProvides lightweight, durable traction, heel-to-toe energy transfer, side support to enhance maneuverability, and protection from arch overwork and fatigue.
How It FitsThe 851 last is an update to our popular 850 last. This last fits true to size with an athletic and supportive fit while providing ample room in the toe. Offering a specific heel shape that locks the heel in place for better fit and comfort on the back end of the boot, this supportive fit is ideal for those needing high mileage performance from their gear.