Sicker in person.
I've been looking for MTB shorts forever but it's so hard to compare them without an in-hand side-by-side, so I went out and did some research for y'all. I put these next to a pair of Fox Sergeants in a bike shop, and there's literally no contest. The Oakleys use burly synthetic ripstop and nylon-weave stretch panels, Fox uses thin stretch cotton canvas. Oakley's vents and pockets are bartacked, with solid metal zips, and all the seams are double or triple-stitched. The liner inside, while not detachable, is longer and far comfier for DH than Pearl Izumi's MTB liner (which is admittedly more XC-oriented). The chamois is plush and sits a bit forward until you hike it in. I'm 5ft 10in, 165lbs with a 32in waist and a medium fits perfectly, going just below the knee when standing and at the knee sitting in the saddle. As a final note, let me say that in my opinion Oakley stuff is generally pretty cheesy, overdone, overpriced stuff, but these shorts sold me. I highly recommend them.