Mens Skechers Go Walk Max Effort Trainers in Black. Lace fastening, breathable mesh upper, Gowalk Max midsole and outsole, 5GEN® sole, Goga Max® technology, synthetic overlay at laces, pull tab to heel, branding to side and tongue. Textile Upper, Textile Lining, Synthetic Sole. Ref: 54601. Take performance and comfort to the next level in the Skechers GO WALK Max - Effort shoe. This lace-up athletic walking style features a nearly seamless air-mesh upper with lightweight 5GEN cushioning midsole and outsole, plus Goga Max comfort insole.