A "fake" or "replica" refers to a sneaker that is designed to look like a genuine sneaker from a reputable brand, but is actually a counterfeit or imitation product. Fake sneakers are often made using low-quality materials and may have visible defects or inconsistencies in their design or construction. They are typically sold at a much lower price than the genuine article, making them an attractive option for those who are looking for a deal on a particular sneaker. However, buying and selling fake sneakers is illegal and can result in legal action against both the seller and the buyer.