Very comfortable and supportive. This style doesn't choke my legs like a traditional brief. The synthetic fabric stays dryer than cotton on hot days and after washing and it's more durable. The elastic band is perhaps a slight bit wide, which provides more tension than my preference, but it is a minor complaint. I'm a 34 inch waist and these medium fit well. I recommend.
If you are going to take off your pants in front of a lady, be sure you're wearing these underneath. I liked the look, so I bought these for my boyfriend. He likes the comfort and the sexiness. He would rate these 3.5-4 stars because he feels they could be a tad longer, but frankly, this is his first time with the Brazilian style, and I'm hoping he'll get used to it. I give them a 4-5 because they look AMAZING on him. I will probably order some of the others mentioned in reviews here, but I'm sure we will be getting more of the Papi.