UK sizing. With enough stability for rough terrain and a heavy pack, the Mauria is ready for your toughest adventures yet. - Made of high grade nubuck leather - Heel and toe boast proper rock guards - Gore-Tex membrane makes the shoes totally waterproof - Flex lacing system tightens the shoes comfortably with their entire length - Vibram Apptrail outsole - Balance insoles shape to your feet thanks to a slow reacting foam - Shock absorption at midsole - Midsole shape allows for normal pronation, while limiting excess pronation Made in Europe. Lowa does not use PFC chemicals in any of their products. You can print [Lowa's size guide](https://backend.lowa.com/media/pages/279dbaf5-f17d-8f8e-f346-2fa87f33af08/f5824c15-4898-7842-05dc-fc1c15437963/67d595c7-df97-d740-ea02-47a08f43b1c9/adae9d706e-1705483145/size_sheet_uni_en_08_21.pdf) and use a credit card to measure your foot. The card is used as a spacer to place the A4 paper just far enough from the wall that its len