Sporty strappy sling back sandal by High Sierra; black gray combo; size 6 US/UK4/EU36.5 - please see all listed measurements; cushioned footbed; adjustable fast-drying strappy webbing upper; approx. 1 1/8 inch heel & approx. 7/8 of an inch flatform (front); open toe; flexible grippy synthetic outsole; sling back velcro closure/adjustable back strap. The materials have their natural and artificial variations in texture and color - see all photos. The size and materials were marked only on a removable sticker, which has been removed/the size & materials are no longer marked on this sandal. Measurement - insole is approx. 9.5 inches/approx. 24 cm (measured front to back), outsole is approx. 10 1/8 inches long and 4 inches wide (ball of the foot). Excellent pre-owned condition - worn only one time, washed and stored (the sticker stating the size & materials has been removed, therefore the size & materials are not marked on this sandal). This is a pet and smoke free home. I have perfumed sachets placed in my closets (Kenzo) - please do not buy if you are allergic or have any sensitivity to this type of materials, their scent, or any kind of perfume. Buy three or more items/listings and receive free shipping on that purchase (US only). Feel free to email me w/your questions before you buy.