The Tracker II FG from Vivobarefoot is an extra-tall barefoot leather hiker that's ready to tackle the toughest terrains and coldest weather. Built to keep you protected and comfortable with every step, these trainer boots can be worn all year round, so you don’t have to compromise on any front, weather or style. Premium durable leather and synthetic upper. Soft leather and textile lining for comfort. Removable 3mm textile lined thermal insole for cushioning. Ultra-thin, flexible and foldable. Durable rubber sole with multi-directional lugs for extra traction.