Vibram Women's FiveFingers, Bikila LS Comfort Minimalist Shoe Rubber Upper: Coconut Active Carbon Fiber, TPU Toe Protection Sole: TC-1 Rubber Footbed: 3mm Polyurethane Insole, Anti-Microbial, Drilex Sockliner Weight: Women's Size 38 - 6.5oz. each, 13oz./pair Machine washable. Air dry.