An all around great pair of headphones, not much to say about it. Obviously this is subjective because everyone has different ears, some like Sennheiser sound, while other like flat sound for increased accuracy, while I like the warm and open sound of the Grado world. There are so many brands and styles and types of headphones, I couldn't even touch on them all, but these just work right for me.Thoughts:- Sound Sound Sound, they sound great, I mentioned in the beginning that this is subjective, but I love them. The mids are very present. the bass is punchy and crisp, not muddy. And the highs out of the box are great, but with my modifications they are even more to my liking now.- Head clamping strength is just right in my opinion, but if it is too tight it will wear out over time and become more comfortable (if you like them tighter, they also have a metal headband which can be bent back into place as well). To further prove my claim on the perfect head clamping I will share with you something I'm quite ashamed of, on more than one occasion I have taken these headphones out for my runs when I couldn't find my running headphones, they stayed on just fine, although I don't recommend this.- The cable is long and durable and has lasted me about two years now (I wear these daily as well as at my desk and I have had them ripped off my head a few times being caught on a desk or a railing, all solder connections have held up fine)- These can sound great on almost anything, they are very easy to drive, I use them with a Dac at my desk but they sound quite well when using my phone also, but this can differ depending one what phone you have (my phone is the ZTE Axon Pro for reference).Probably my favorite part of these headphones is when you own a pair, you are opened up into the classic Grado modification community.I did do a few modifications for increased comfort and (in my opinion) better sound. I'll list them below for those who are interested.- I replaced the ear cushions with these ear pads (http://www.amazon.com/EarZonk-Long-Life-Leatherette-Cushions-Headphones/dp/B00OM21W1I/ref=sr_1_2?ie=UTF8&qid=1453399895&sr=8-2&keywords=ear+zonk+grado+earpads) sorry for the huge link.^ With these ear cushions, people in their reviews were saying they are trash and they create a very muddy and muted sound, but I still picked them up because I had an idea on how to fix that issue. when I received them I agreed, they were terrible. But it was very easy to fix, all I did was use an xacto knife to remove the fabric inside the cushion to expose the driver, this kills two birds with one stone, the sound was not only improved back to its "stock" nature before the new ear-pads, but it was improved even more by exposing the drivers which gives clearer highs, that brings me to the next modification.- One of the easiest and oldest Grado mods is the "Ear-Pad quarter mod" I'm not using the stock ear-pads but I still was able to use them for this modification. This is when you cut out a quarter sized hole in the middle of the ear-pads to get clearer highs (achieved in the last bit) and take that small bit of foam you cut out and glue it to the back of the ear-cup behind the mesh, this absorbs up the leftover sound waves bouncing around in the ear-cup that haven't escaped through the mesh, creating a clearer sound.Out of those two mods the new ear-pads probably had the most impact, with my modification to them, they increased the quality of the highs, they create a better seal around my ears, and they are just super comfy, the leather is perforated so they stay cool as well, even in the summer.Most Grado mods are bashed and people say that it doesn't really improve sound. But once again it is subjective and those who do it don't really care. I will most likely continue with my modifications because I just plain enjoy tinkering and customizing my belongings. I have a few more ideas of mods that I will do when they get older:- I will sand down the outside of the ear-cups to remove the branding and make them flat black- I would like to replace the mesh on the back with a less dense, black metal mesh, this would open them up to the point where you wouldn't have to worry about absorbing those sound waves, plus it would look neat to be able to see into the drivers- I want to have a go at creating my own custom, removable cable, that way I can have a few, like a shorter one for on the go, or a longer one for at the desk. or an even longer one to reach my receiver from my couch- If I get around to it, I would love to recreate the driver housings with something along the lines of walnut or maple and give them a nice grain-popping stain. I already have them modeled, I just need to source the woods and get a hardwood bit for the CNC machine in the lab- Also I have some leather around and I would love to dye it black and make a thick, authentic leather headband-cover to replace the one that it comes withTL;DR These are a great pair of headphones that will stand the test of time, plus they are made in America, which I can be proud of. There is a large modding community if you're into that, but they sound just fine out of the box as well. I would buy these againThanks for taking the time to read my quick review and I hope it helps!