Because it's thin, stretchy denim with white stitching, WTH?

These are not your daddy's 550s, oh no. These are:

<a data-hook="product-link-linked" class="a-link-normal" href="/Levi-s-Men-s-550-Relaxed-Fit-Jean-Rinse-29x30/dp/B0018OFMIM/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Levi's Men's 550 Relaxed Fit Jean, Rinse, 29x30</a>

Yeah dad!