Men's Earth174; EXER-WALK-K Lace Up Sneakers Leather / Air Mesh Upper Exer-Walk helps you burn up to four times more fat compared to ordinary shoes. Negative Heel Technology positions feet at a 3.7-degree incline to help strengthen and tone muscles. Anatomic arch support offers medial arch support to encourage proper heel strike and gait. Leather and mesh upper, BioFoam insole, injected EVA outsole. Care: Buff with a leather cleaner or polish. Wipe off with a dry cloth.