The comfort of a slipper meets the versatility of an outdoor shoe in this Men's Brixen boot slipper. Best of all, its Energy Return insoles feature high-density foam and energy-return pellets that help provide comfort and bounce with each step. From Dearfoams. Style: Brixen Indoor/outdoor outsole, arch support Approximate measurements: Sole 0.5"H; Shaft 4"H; Opening circumference 14" Measurements were taken using a Medium size 9; measurements may vary depending on size Half sizes should size up Man-made materials Imported Dearfoams Men's Indoor/Outdoor Washable Boot Slipper - Brixen