Wrap your feet in signature UGG comfort with the Sunburst Tall Boots, featuring plush Twinface sheepskin and a cozy UGGplush(TM) lining that feels luxuriously soft with every step. The knee-high silhouette and cuffable collar let you switch up your look while staying warm through chilly days. Design: Signature Twinface sheepskin upper delivers classic UGG style Knee-high silhouette provides extended coverage and a versatile look Cuffable sheepskin collar allows for customizable styling Suede heel counter adds structure and support Sheepskin spill seams create a distinctive UGG aesthetic In-Shoe Comfort: 17mm UGGplush(TM) lining offers soft warmth and comfort 17mm curly UGGplush(TM) insole provides plush underfoot cushioning EVA or bio-based PU footbed enhances all-day comfort Durability & Traction: Molded rubber outsole helps provide durable traction Extra heel and forefoot cushioning support comfortable everyday wear Additional Details: Flat-heeled design for easy everyday wear True-to-size fit