Size: all five pairs are of different sizes. It wasn't anywhere in the description of the product. The length of the socks in the picture-description is misleading. They are way shorter than those in the picture. Hope it gets stretched.
Material: Seems good. No damages. Satisfied. This was my primary concern as there wasn't a return or replacement of the product. But one thing to be noted it's not suitable for winter. It's no different from the regular stocks.
Price: it's a little costlier compared to the ones at the store near my home. But, I'm okay with it.
Note : This description was written just after the product was revieved and incpected. So, yet to see how it gets better or worse after the usage.