Merrell Pace Glove 2 Women's Trail Running Shoes Vibram Sole - A world leading performance rubber sole which delivers excellent "foot feel" without compromising abrasion resistance. Upper - Synthetic leather and breathable air mesh. DWR-Treated Upper - Designed to repel water and resist staining. M-Select FRESH - Naturally prevents odor before it starts for fresh smelling feet. Easy Clean - Wash as needed in cold water, gentle cycle and air dry.