Cole Haan Grand Øs Olive Green Suede Chukka Ankle... | Depop。Great Condition. lightweight and very comfortable. Modern, versatile footwear style that blends classic design with contemporary comfort. Known for its sleek silhouette and innovative features, this bootie offers both sophistication and functionality. Grand ØS (Grand Operating System) technology, the bootie is designed for maximum comfort and flexibility. The lightweight Rubber outsole provides superior traction, while the cushioned footbed ensures all-day comfort, making it ideal for both casual wear and more formal occasions.