UGG Australia Black Classic Cardy Knit retail $150

Women's Size 6 but will also fit 6.5. Shaft height approximately 14.5" "This Classic silhouette features warm, chunky sweater knit with convertible styling– pull all the way up the calf, slouch it down a bit, or fold all the way over for a shorter style. Three large buttons decorate the top of the shaft and three smaller ones appear when the boot is cuffed. The Cardy is lined with a plush wool insole, while the signature lightweight sole provides cushioning, traction, and durability."