DESIGN: On-the-go slipper Premium waxed nubuck leather upper with an antiqued finish that looks and feels great Drop-In Heel® technology offers both a shoe or slide functionality IN-SHOE COMFORT: Standard arch and width Fits true to size Genuine sheepskin shearling lining Dual-density PU footbed, cushy gel insert, and removable/washable wool-blend footbed cover deliver all-day support Elastic gore panels create a comfy and customized fit DURABILITY AND TRACTION: Non-marking, gum rubber outsole with buffed finish for a modern surface texture Featuring cross-hatched and substantive outsole design with rubber toe and heel bumpers OluKai Men's Kipuka Hulu Slipper