AirMesh Breathable Sneakers Lightweight Casual Streetwear Sport Shoes RunnersNo more uncomfortable, sweaty sneakers. Let your feet breathe in these trendy and comfortable, lightweight AirMesh casual sneakers. Upper: Quick drying breathable air mesh. Outsole: Wear resistant and anti slip rubber. Insole: Soft PU EVA. Measure your foot length while standing: from the tip of your big toe to the back of your heel. If your size falls between two sizes, order the larger size. Order one size larger also if your foot is thick or wide.