The product is a pair of men's trainers by the brand On, specifically the Cloudsurfer Max model in a dark green and yellow colourway. The size is UK 11.5, making it suitable for those looking for a larger fit. With its sleek design and comfortable fit, this sneaker is perfect for everyday wear or for someone looking to add a pop of colour to their wardrobe. The combination of the dark green and yellow hues creates a bold and eye-catching look, ideal for those who want to make a statement.