THIS ITEM RUNS SMALL. IT IS NECESSARY TO TAKE ONE SIZE UP. Style details: upper 100% recycled polyester fabric : 100% cotton sole : EVA made in PRC Those trekky are handmade and handcrafted. All upper parts of the trekky models are made from recycled plastic bottles - REPREVE label. Measurements : Length of the sole 36/23,5cm - 37/24,5cm - 38/25cm - 39/25,5cm - 40/26,5cm - 41/27cm