Newest plaintoe, Stone, is ''plain'' in description only. Its buffed Santiago Calf leather upper sits over a rubberized outsole that has the heft and the flex needed to get you through the day. Understated but stylish, Stone is sure to be one of the key players in your footwear rotation. Cushioned Ortholite insole that wicks away moisture and is odor, fungus inhibiting. Material: Leather, Rubber.