for the womens FitFlop sizing guide. Click to learn more about the biomechanically engineered, ergonomic FitFlop footbed. Minimalist with lasting comfort, the slip-on FitFlop Lena Knot Loafer lends a modern vibe. Soft leather uppers with a knot detail at vamp and a round toe. Soft textile linings with a cushioned heel cup. Features Dynamicush Comfort Technology; designed with a cushioned and supportive anatomically contoured footbed with a durable, slip-resistant rubber outsole. Imported. Measurements: Heel Height: 1 4 in Weight: 8 oz Product measurements were taken using size 8.5, width M (B). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.