Item No. 5521
Crafted to handle the harshest winter elements, the men's Butte pairs understated style with stay-dry technology. Cuffable, waterproof full-grain leather and ballistic nylon are finished with an exclusive Vibram® outsole with repeating-lug pattern. An eVent® membrane and moisture-wicking sheepskin lining offer the warmth and dry comfort characteristic of classic UGG®.
Waterproof Designed to help protect against heavy weather conditions, including water, rain, and snow. If present, zippers and tongues are gusseted and treated with water-repellent coatings.
Weather Rated to -20ºC Cold-weather styles with this icon are rated for temperatures as low as -20°C (-4°F).
Sheepskin Lining Vetted through extensive, industry-leading processes to ensure only the highest quality sheepskin makes the cut, delivering the signature feeling of UGG.

Waterproof
Waterproof membrane bootie construction
Waterproof leather
Gusseted tongue with water repellent coating
Cuffable shaft
8mm sherpa lining on vamp, 8mm sherpa lining on quarter, 17mm UGGpure™ wool lining
7mm UGGpure™ wool insole
EVA footbed
EVA midsole
Vibram® outsole
8.5" shaft height
Cold-Weather rated to -32°C
Heat-embossed UGG® logo, Woven label with UGG® logo
Best for: Casual, Light or moderate rain, Light snow, Heavy rain, Heavy snow
RN 88276