New in Box UGG Classic Ultra Mini boots for women in the Chestnut colorway. Brand: UGG Style Name: W Classic Ultra Mini Style Number: 1116109 Color: Chestnut (CHE) size 8 in US women's sizing, which corresponds to a European size 39. Material: The boots feature a twinface sheepskin upper with a sheepskin lining and an UGGplush insole (a blend of upcycled wool and lyocell). Outsole: They use an ultra-lightweight sole, either a sugarcane EVA or Treadlite by UGG EVA outsole. Features: The boots are pre-treated for water resistance and have a low shaft height for easy wear.