Smith 4D Mag Low Bridge Fit Color:Royal Navy ChromaPop Everyday Blue Mirror and holds the knot RIDE 38SD123604 and holds the knot RIDE Vibram® Megagrip outsole with LITEBASE technology delivers durability and enhanced grip across a range of conditions while shedding every gram possible Zonal lug patterns are specifically designed to provide forefoot grip while smearing with comfort and surefootedness on the trail Mapped dual density midsole construction combines softer heel and midfoot cushioning for running comfort with firmer forefoot support for rocky terrain Outsole and midsole zones integrate for optimal response and performance 23:16 stack 7mm drop PROTECTION Abrasion resistant PFAS free Matryx® woven polyester upper is durable allowing lightning fast reaction time to anything that comes your way AirEvac™ integration technology to reduce fogging Integration