I had high hopes for these boxer briefs from Adidas, but sadly mine did not last more than a couple of weeks. These are a cotton/polyester blend which did a great job of keeping me cool and didn't ride up, but the cotton caused them to shrink a little after washing and fit pretty tight (and I've worn Adidas apparel for years, so I knew my size when buying). Worse, three of the four pairs I purchased tore in the process of daily wear.

I just got a pack of the&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/adidas-Men-s-Sport-Performance-Climalite-2-Pack-Boxer-Brief/dp/B004RKJLFE/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">adidas Men's Sport Performance Climalite 2-Pack Boxer Brief</a>&nbsp;underwear, which are a polyester/spandex blend. The material on them is a little more substantial but still cool, and they fit true to size.