Function? Waterproof, warm, light, balanced, wear-resistant, and anti-skid. Upper is crafted from cowhide. Sole made from rubber. Mid-height uppers, and inside is faux-plush. Shallow-mouth opening. Heel height 3cm. Processing method: frosted. Crafted with a soft sole. Foot size? American sizes 35-39 and Asian sizes 225-250. Pro Tip: Asian sizes are a 1-2 sizes smaller than Europeans and Americans, so size up! Not sure what size to go for? No problem! Our customer service team is more than happy to help. Oh, and keep in mind that computer monitors display colors differently - the actual item might look slightly different.