Mens The North Face Base Camp Flip-Flop Il Microchip Grey/Shadow Grey ThongsThe North Face Base Camp Flip Flop II is a tough enough to handle anything flip flop featuring a new lightweight tri lug outsole for grip without the extra bulk. They also have a comfortable textured footbed that massages your feet with every step. These are great flip flops for the warmer months of the year. Materials: 100% PU Size Measurements: US 7 UK 6 EU 39 25cms Inner Sole Measurement US 8 UK 7 EU 40. 5 26cms Inner Sole Measurement US 9 UK 8 EU