2 1/2" Tiered Platform Lace-Up Knee Hight Boots Front of Platform Height: 1.25" Tiered Swooping Chains & O-ring Details on the Top and Vamp Inside Metal Zip Closure Approximate calf circumference: 12.8" Approximate shaft height: 15.4" The Renegade-215 knee-high boots are all about effortless cool. A chunky 2 1/2" platform keeps you steady, and the lace-up design adds a touch of punk-inspired flair. The hidden side zip keeps things simple when you're in a hurry, and the black vegan leather gives off just the right amount of sleek, no-nonsense vibes. Dress them up, dress them down—these boots are ready for whatever your day (or night) throws at them. If you like your footwear with a little rebellion, these are your new go-to.