The Lisbon features smooth uppers with round toe. The Plus Fitting System® and two removable footbed adds comfort and double depth. The removable footbed with Drilex® top cover has added heel cushion and metatarsal cushion for comfort. An ultra lightweight and dual-density slip-resistant outsole offers all-day comfort, as well as an extended medial heel stabilizer and a tempered steel shank. Accommodates prescribed orthotics.