This men\\\'s boat shoe is part of our Earthkeepers Edition and features a GreenStride comfort sole, which is made using 75% renewable materials like responsibly sourced natural rubber and sugar cane. One of our most comfortable and eco-conscious boat shoes, this model is made using regenerative leather from farms whose agriculture practices help to improve the soil, restore biodiversity, and take carbon out of the air and put it back into the ground. The upper also uses premium Better Leather sourced from a sustainable tannery rated silver for its environmental processes. The added EVA-blend foam midsole works with the GreenStride sole for even more cushioning. Size 12.5