KLOGS. BOCA BLK. BOCA. BLACK.Boca keeps comforting long after the day is done. Cushioned insoles excellent arch support and a closed heel guarantee a secure fit. The lightweight polyurethane upper can be cleaned with soap and water and the sole is non-slip and non-marking. Mix and match your favorite color combinations from the simple to the sublime. Your 12-hour shift doesn t stand a chance.