Olukai Dark Shadow Holo Sneakers Size: 9 Color: Dark Shadow Upper features internal structural reinforcements for barefoot comfort External lace webbings help secure the midfoot into the shoe Microfiber heel liner provides drag for excellent heel capture Drop-In Heel® allows this sneaker to double as a slide Resists premature wrinkling Contoured, removable and washable, footbed delivers maximum comfort and support PU foam provides long lasting cushioning Built with breathable mesh to keep your feet feeling good all day Non-marking Wet Grip Rubber outsole delivers unmatched traction for sure-footed exploration Smoke-free & pet-free home.