MD sole??Breathable Upper??- The breathable mesh upper will keep your feet away from the wet condition, and create a dry environment for your feet during moving.??Comfortable Sole??-Cushioned insoles and MD outsole give you exceptional support and optimize the feeling of every touch and push.??Incredibly Lightweight??-0.77lb (0.35KG) for one pair of size 10.??Occasion??- Great for walking, jogging, running, cycling ,travel and other sport activeties.??Size Suggestion??- Footwear width is medium. Half size up is recommended for extra wide feet.