The crossword solution for the term 'Sneaker Specification' is 'WIDTH, ' which is a five-letter word. Sneakers are a type of footwear that come in a variety of sizes and styles, and WIDTH is an important factor to consider when purchasing a pair. WIDTH is measured from the inside of the shoe, and it can vary depending on the style and brand of sneaker. Knowing the WIDTH of a sneaker can help ensure a comfortable fit.