Olukai is a proud Certified B Corporation brand dedicated to meeting high standards for sustainability and social responsibility. Get a classic makeover for your footwear style wearing OluKai Kakaha. Smooth full-grain leather upper. Removable and washable dual-density PU footbed. Cushy gel insert to deliver maximum comfort. DROP-IN HEEL for functionality. Hand-sewn construction. Slip-on closure. Water-wave pattern on outsole. Two 'Wet Grip Rubber' pods strategically placed in high-wear areas. Lightweight and cushioned EVA outsole. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 9.5, width D - Medium. Please note that measurements may vary by size.