Brand new! OOFOS WOMEN'S OOLALA SANDAL - BLACK Featuring a uniquely streamlined OOFoam ™ footbed, our OOlala Sandal was built with style in mind to match any wardrobe. From yoga pants to loungewear, we pair unparalleled recovery footwear. Size:10 order 1/2 up, I’m 9.5 so I ordered 10 Black NWOT Patented footbed design reduces stress on knees, ankles and other joints. Flip flops slides walking