OluKai Lae’Ahi Shoes are slip on style sneakers. These shoes will make you feel like you’re walking barefoot making these shoes ideal for the beach. These shoes are lightweight and comfortable with drop-in heel for easy wear and removable/washable insole. Upper: Mesh forefoot with water resistant synthetic heel and quarter, lined with breathable microfiberFootbed: Dual density anatomical PU footbed with gel insert and removable/washable microfiber footbed coverOutsole: Lightweight EVA midsole with non-marking wet grip rubber with siping for better traction on wet surfaces