UGG M Chelsea Lug Leather Chelsea Boots blend classic Chelsea styling with a thick lug sole for stable, everyday wear. The design highlights easy on/off functionality and a thermoregulating interior for all-day comfort. Key attributes: Black | Leather | Thermoregulating lining (wool and Lyocell) | Thick, deeply-treaded lug sole for grip and durability | Elastic side panels for easy entry | Pull tab for quick on/off | Slip-on design | Rounded toe | Above-ankle height | Matte, smooth leather upper | Elastic side panels | Embossed UGG logo on heel | Minimalist Chelsea silhouette | Dimensions fit: Sole height at the highest point: 3.5 cm | Composition care: Leather (upper) | 60% wool, 40% Lyocell (sockliner) | Textile lining | Synthetic/EVA outsole | Wipe clean with a damp cloth. Do not machine wash..UGGs feel snug at first, but the lining expands with wear. We recommend your usual size.