Amazing workout shorts! Pearl Izumi makes top-of-the-line apparel for serious athletes and it shows in everything they make. These shorts have a light compression underlayer along with convenient pockets to stow nutrient gel, a music player, and other essentials that you may need. Perfect for running and biking, these shorts are also great for weight training at the gym or just cruising around town. I typically take a XXL size for workout shorts and I have to say that these fit very trim. If a trim fit is not what you want, order a size larger. After a couple of wearings, these shorts have quickly become my favorite workout shorts I own. You can't go wrong with Pearl Izumi quality!Bought these for my boyfriend who is about 5'10, weighs about 165lbs, has a 32-33" waist and has athletic thighs. After studying the size chart and the customer reviews, I decided to buy him an L (despite the official size chart recommending an M), and those fit him perfectly. These shorts are now his go-to for cross-fit workouts, jogs, quick grocery runs or just lounging around. The product is comfortably snug yet airy and flexible, which makes it suitable for just about anything. Will definitely buy this again in a heartbeat.This is a perfect combination of tights and shorts but the inner brief doesn't give a enough compression and actually it is a little loose.If you have chafing issues with shorts and are not so brave as to wear tights in public, this will deserve to try.These are nice shorts, but the compression tights fit a little big. I tried the Medium, but those were too small. I generally wear a medium. Also, while there is a large zip pocket in the rear of the shorts, the side pockets are a bit small; they are quite long, just not very wide.PI sizing guidelines state that a small fits up to a size 31 waist. I am a 29 waist and I thought the shorts were going to rip when I tried to put them. They run way small. Otherwise they seem very high quality. Can't wait to get my exchanged Medium and really try them out. Lots of pockets for long runs.These are good, my only beef is that the liner doesn't support me as well as my past Pearli running shorts.Compression is a bit large, fabric shows sweat line, waist drawstring is narrow and digs into sides. Color is great, pocket in the back is good for iphone 5.A very very nice pair of running pants. All you can desire in a pair of running pants.