Color: Black / Green 1133032 k Made from waterproof leather with a glow-in-the-dark repeat UGG graphic, this fun update to the Butte is lined in our signature UGGplush™ wool blend for the same soft feel as ever. Built for the cold, it can withstand temperatures as low as -20˚C and goes with everything from school clothes to ski clothes. Leather and Textile Synthetic sole. Waterproof bootie construction Lightweight molded rubber outsole with tread for superior traction Shaft can be cuffed UGG pure wool insole.