UGG Mens Alin Sneaker Leather Upper: Full grain leather Insole: Cushy foam for extra comfort. Covered with a genuine sheepskin sockliner. 3.5" shaft height The sueded side of Twinface sheepskin is susceptible to staining and discoloration if worn in snow or rain. To ensure longevity please handle with care. This product contains real fur from Sheep or Lamb