The Sonoma features a slim silhouette crafted from water-resistant leather and suede for polished, casual style. Even better, the tall shaft folds over to easily to expose the plush interior, so its like two boots in one. Twinface and suede upper has been pre-treated with Defender Repellent Systems with Scotchgard. Easy slip-on style with side pull tabs. UGGpure wool lining. Microfiber binding. UGGpure wool insole with added arch support. Treadlite by UGG outsole provides increased traction, durability, cushioning and flexibility. 12 shaft height The indentation in the suede is from the foldover upper tab