Waterproof Microdry fiber and Eleganza fabric upper. Radiantex sock lining. Borg lining. Snow-Top collar pile. Measurements for sizes/widths: 6 Narrow- 7 in. shaft, 13 in. circumference. 7 Narrow- 7 in. shaft, 13 in. circumference. 6 Wide- 7 in. shaft, 13 in. circumference. 7 Wide- 8 in. shaft, 13 in. circumference. 6 Double Wide- 8 in. shaft, 15 in. circumference. 7 Double Wide- 8 in. shaft, 16 in. circumference.