Primus Trail II FG is a versatile off-road shoe, designed to let you get back to nature with maximum sensory feedback. The sole features low-profile, chevron lugs that provide traction over trails and rocky terrains - perfect for exploring any rural or urban habitat. Breathable mesh upper with seamless synthetic overlays. Soft and breathable textile lining. Removable 3mm thin Performance insole. Ultra-thin, flexible and foldable. Durable rubber sole for maximum sensory feedback and minimum interference.