Mxson Women's Slip On Sneaker Mesh Casual Sports Walking Beach Aqua Swimming Pool Water Shoes fabric-and-synthetic Rubber sole the upper material is air mesh, light and breathable, comfortable material makes you feel as if you do not wear shoes. the unique design of insole and outsoles are permeable to air and water. quick dry upper and insole material provides you excellent comfort. careful design of th shoes fit your feet perfectly, offering maximum freedom when you do sports. exceptionally lightweight sole with excellent bounce-back and durability