TRACTION: OmniTrax Interchangeable Sole System for customized traction on the fly. DURABILITY: WRAPTR TECH construction is a one-piece, single-seam construction with compression molded flexible armor that solves the age-old problem of stitch or seam failure. CLOSURE SYSTEM: Brass speed laces, friction-free rolling lace guides, and a locking lace cleat provide a customized bi-zonal fit. FIT: 3-Ply Fit System Achilles stabilization for the superlative fit. FAST DRYING: Hydrophobic upper material with ultra abrasion resistance. INTERNAL DRAINAGE: Water flows thru internal channels then out midsole ports, removing excess water and weight. COMFORT: Premium polyurethane footbed for added shock absorption and dynamic comfort. WEIGHT: 3.9 LBS per pair with felt soles.Boots come with cling on and plain felt soles.