The style comes up a little large. If you are between two sizes, it is better to take a size down. This information is an estimation based on our customers’ feeback. Please note that Veja cannot be held responsible for your choice. The B-Mesh used by Veja is made from recycled plastic bottles. 3 plastic bottles are used to create a pair of sneakers. This upcycling process creates a smart fabric, both breathing and waterproof.