Full-grain Leather uppers hand-sewn to the last With 2-eye rt-proof 18k gold-plated eyelets Anti-shock and Vibration (ASV) technology Reduces the effects of shock by up to 30% Luxury lambskin lining surrounds the foot for softness 360 degree lacing system for a ctom fit with full-length, chioned foam footbed for comfort Razor-cut wave siping on non-marking rubber outsoles that won't scuff floors but give sure footing