Mid-height, full grain leather upper with sweater collar; Low-impact and environmentally sustainable B-Tek Terra materials; D-Ring front lace fastening system for secure comfort; Pull tab at the back for ease of entry; Premium Rubber base for flexible durability; Removable anti-fatigue insole; Thermaplush soft, next-to-foot wicking layer for warmth; Form-fitting B-Tek Foam lining for comfort; B-Tek Heat lightweight, insulation for high-loft breathability in a broad range of temperatures