Earth - Energetic K (White Leather) - Men's: A true performance fitness and walking shoe with KALSO Negative Heel Technology promoting natural posture and stride. Two tone leather and nylon mesh uppers with reinforced eyelets. A full heel to toe layer of Gelron 2000 prevents impact from reaching the heel, leg or lower back. Carbon fiber shank for superior support, torsion control, and lateral stability. Multi-density mid-sole and latex rubber bottom provide optimal flexibility and cushioning. Anatomic, naturally shaped footbed is removable.