Spherica is a versatile womens ankle boot that delivers unmatched comfort. The patented Geox systems guarantee breathability of the outsole, ensuring the foot enjoys a sensation of wellbeing. Colour: Grey. Upper: Leather. Lining: Synthetic. Outsole: Rubber. Boot height: 12cm for size 37. Flat heel. Heel height: 3.5cm/1.5". Fastening: elasticated. Round toe. Spherica™. High levels of cushioning, maximum breathability. A high-tech range that merges comfort and soft wearability, making sure you feel light on your feet throughout the day, whether you’re busy in town for work or play. Uppers: 100% suede. Lining: 60% polyester, 40% polyurethane. Cushioning: 100% polyurethane. Sole: 100% rubber. Heel shape: block heel. Shoe width: Medium. Not waterproof.