these are pretty hard to find, they have light wear various typical exterior blemishes, the frames are a composite type plastic, they currently have 4 wheels installed per frame but they can take 5 wheels each there are other holes to accept more wheels. mens size US 9.5. great for fitness speed etc. thanks sooo very much for your business. shipping is free for the USA with the exception of AK HI or PR will require additional postage. hope you will have a wonderful day!!!