UGG Adirondack Boot XXV pairs UGG heritage with modern cold‑weather tech — waterproof leather and suede combined with 3M Xerogel insulation rated to -32°C for reliable warmth and protection. Designer ID: 1170591-CHE. Key attributes: Brown | Tan | Leather and suede | Waterproof construction | 3M Xerogel insulation — rated to -32°C | Cold-weather protection | Raised shaft height for added protection | Waterproof membrane (DryTech) for wet conditions | Heritage UGG aesthetic blended with modern materials | Versatile for mountain outings and urban wear | Composition & care: Genuine leather | Suede | 3M Xerogel insulation | DryTech waterproof membrane