Start and end the day in stylish comfort with the Cali Wing-Toe Derby from UGG. Suede or smooth leather uppers with wingtip styling. Lace-up adjustability. Collapsible-back shoe features a fold-down heel counter that allows it to be worn as a slip-on or a slide. Breathable leather lining. enerG comfort system with built-in arch support; additional layer of open cell PU foam for breathability. Treadlite by UGG™ outsole provides increased traction, durability, cushioning and flexibility. Imported. UGG Men's Size Chart Measurements: Weight: 9 oz Product measurements were taken using size 9, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.