I use the shorts on every bike ride, 10-15 miles, around 4 times a week. I have multiple pairs and they are the only shorts I use. Based on other reviews I did size up and they fit perfect. I think they will last a long time.
This is my fourth pair of these bibs. I have 2 pairs of these pro bibs that are 6 year old, I have put tens of thousands of miles on them and still in regular rotation. Mostly use the older ones for mid distance and the new ones for long rides. I have tried a half dozen (Castelli, sportful, Giro, Gore Wear, etc) other brands high end bib shorts and these just fit me well. Comfortable very breathable fabric. Nice laser cut straps that are soft and do not dig into skin even after 8 hours in the saddle. Pad is well fitting with good coverage but not overly bulky. My pair of Sportful bibs are crazy lightweight, breathable but the pad is massive so tends to rub on long rides. These PI Pro do not for me. If you put in the miles these are well worth the money in my opinion. Especially considering how long they tend to last. My only quibble on the new versions is that the legs are a tad longer than the old ones. I am 5'8", 160lbs. Wear a medium. The old versions stopped 4-5 inches above my knee. The new ones end an inch above knee. They do rub behind the knee though so not a big deal. Just personal preference that I liked the shorter leg length but designs/trends change. I have been cycling for 30 years.
This may be lengthy:
First of all, I HATE riding in the cold. Like I'm that guy who is always the first one to bust out the winter gear and feel that I'm particularly whiny and sensitive to the cold. With that in mind, I must say that these tights are spot on. They are pretty warm and the inner fleece is definitely thicker than other heavier tights I've owned (Louis Garneau, Sportful) and the AmFIB stuff does a decent job at blocking the wind. Now mind you that that AmFIB stuff is fairly abundant so it may feel a bit restricting at first, but if you're like me and hate cold winds than you'll really appreciate it. The bib straps at first seemed very flimsy but after about 15 rides I'm convinced they're sturdy enough and basically feel invisible on my skin (over a base layer). The chamois is AWESOME IMO. Now everyone is different but this chamois to me is excellent and it's probably one of my favorites ALL TIME. The rear pockets are great and pretty much invisible. They hold things very well and don't look like you're wearing a cargo system on your back. They can hold my wallet (Rigid wallet), keys, 2 candy bars (snickers) and probably a few CO2 cartridges if I wanted to stuff it. I would definitely buy again. I've ridden in 35-45 deg weather with 10-15 mph winds and 50-90% humidity (that's the cold that makes your bones ache) for 3-5 hours and they kept me warm. And did I mention that chamois?? Totally comfort even after 5 hours (but that's my bum, not yours)
Coming from a great pair of fizik gravel shoes, I wanted a knit shoe as I have a hammer toe which rubs raw on longer rides. Was hoping the combo of a stiff sole and knit upper would do the trick. These shoes are STIFF as one might imagine having carbon soles, but I've had them for a few months and ridden probably about 4-500 miles in them and Iï¿½m really struggling to get them where I want them. Still having my feet fall asleep and the knit is not nearly as pliant as Iï¿½d hoped it to be. They are solid, and will probably end up as my MTB shoes. I have been packing them with newspaper to try and pack them out a bit in the front of the shoe. The foot bed seems shaped in a way that my feet (ball) hurt after a ride with my fancy orthotic inserts I use for riding. Seems like there is some type of ergonomic shaping that doesn't fit my foot well. For short rides they've been great. Stiff, solid and great power transfer. For longer rides Iï¿½m still not sure about them. Might also have been nice to have two separate adjustments (front of foot and one higher on top to allow for wider feet), especially at this price, but they are what they are.