Waterproof construction, lace-up style, mid-calf height, round toe, exposed sherpa collar with knit cuffThermoplastic rubber shell outsoleCold rated to -11F/-24CApproximate measurements: Shaft 7.53"H; Opening circumference 16.87"; Heel 1.25"H; Sole 0.54"Measurements were taken using a Medium size 9; measurements may vary depending on sizeFit: true to sizeHalf sizes should size upMan-made/textile upper; textile lining; man-made outsole