Kona Black 6 WIDE = 0 M US/4 UK/ 37 EU. Kona Black 7 WIDE = 5 UK/38 EU. Kona Black 8 WIDE = 2 M US/6 UK/39 EU. Kona Navy 6 WIDE = 0 M US. Kona Navy 8 WIDE = 2 M US.Mesh Upper. Removable Footbed. Rubber Outsole.YOUR NEW FAVORITE SNEAKERS: Get up and head outside! Now’s the perfect time to upgrade your fitness footwear to this sporty pair that provides the ultimate in flexible support.EVERYDAY SUPPORT: A podiatrist-designed footbed built into every pair of Vionic sandals, slippers, active shoes and flats promotes stability from the ground up.VIONIC SHOES: Vionic brings together style and science, combining innovative biomechanics with the most coveted trends.