If you have a slim foot, Native recommends you go down a 1/2 size when in between sizes. Otherwise for wider feet, go up a 1/2 size. The Native Shoes Jefferson Bloom slip-on sneakers are an instant classic. Bold and edgy, it is the perfect blend of good taste and subtle rebellion. Slip-on shoes with lightweight EVA and a percentage of prepurposed Algae biomass harvested from freshwater sources. Vegan construction. Allover perforations allow your feet to breathe, keeping them dry and cool.