UGG. 1020369 CHRC. NEUMEL UNLINED LEATHER CHUKKA. CHARCOAL.The UGG Neumel Unlined Leather Chukka Boot is the perfect blend of style and comfort. This lightweight and breathable boot features a textile-lined die-cut EVA insole that ensures comfort and the Treadlite by UGG outsole that provides cushioning traction and durability.