These are likely white or cream platform Chelsea boots, a popular and trendy style offered by many brands. The specific pair in the image features a side zipper closure, elastic goring on the side, and a chunky lug sole. 
Product Information
Style: Platform Chelsea boot
Color: cream/beige
Features: Chunky lug sole, side zipper, elastic side panel
Materials: Often made from faux or vegan leather, with rubber soles
Brands: Similar styles are widely available from fashion brands such as Zara, Dream Pairs, London Rag, and others
Price Range: Prices for comparable styles typically range from approximately $27 to over $200 USD