UGG Chelsea Lug Boot pairs a classic Chelsea silhouette with a chunky lug sole for reliable traction and insulated comfort. Designed for everyday wear, it combines suede upper construction with a cushioned Twinsole insole system. Key attributes: Gray | Dove Grey | Suede | Insulated lining (UGGplush) | Lightweight Sugarcane EVA midsole | Durable lug outsole for traction | Elastic side panels for easy on/off | Heel pull tab | Twinsole removable insoles (UGGplush and foam) | Chelsea silhouette | Round toe | Burnished suede finish | Chunky lug tread | Composition care: Upper: suede | Lining: UGGplush (wool and Lyocell) | Insoles: Twinsole (UGGplush and foam) | Midsole/Outsole: Sugarcane EVA with rubber lug tread.UGGs feel snug at first, but the lining expands with wear. We recommend your usual size.