Weatherproof Materials: Drum-dyed leathers with extra finishing treatment for superior protection. Seam-Sealed Technology: Keeps moisture out 360 Flex technology with heel to toe flexibility multi directional tread pattern for stability footbed insert for cushioning and support and side wall stitching for durability. Upper: Leather or nubuck. Inside zipper offers slip-on sensibility and a secure fit. Footbed: Removable microfiber wrapped EVA. Durable synthetic outsole designed to withstand every-day wear across a range of surface Leg Circumference: 10.83 / 27.5cm. Shaft Height: 3.98 / 10.1cm. Heel Height: 1.87 / 4.8cm. Built-in VIO MOTION Technology footbed featuring contoured arch support with shock absorbing cushioning deep heel cup to provide stability and forefoot flexibility